112 (number)
112 is a natural number following 111 and preceding 113.
Mathematics:
- 112 is a composite number.
- Its prime factorization is 24 * 7.
- It has twelve divisors: 1, 2, 4, 7, 8, 14, 16, 28, 56, and 112.
- It is an abundant number, as the sum of its proper divisors (1+2+4+7+8+14+16+28+56=136) is greater than itself.
Emergency Services:
- 112 is a common emergency telephone number that can be dialed free of charge from most mobile phones and, in some countries, landlines, to reach emergency services (police, fire, ambulance). It is the standard emergency number throughout the European Union and some other countries. Even if the keypad is locked, many mobile phones are configured to allow a 112 call.
Other Uses:
- 112 is the atomic number of Copernicium (Cn).