112912871 has 4 divisors (see below), whose sum is σ = 113605752. Its totient is φ = 112219992.

The previous prime is 112912859. The next prime is 112912879. The reversal of 112912871 is 178219211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178219211 = 17 ⋅10483483.

It is a cyclic number.

It is not a de Polignac number, because 112912871 - 2²⁶ = 45804007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112912879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346196 + ... + 346521.

It is an arithmetic number, because the mean of its divisors is an integer number (28401438).

Almost surely, 2^112912871 is an apocalyptic number.

112912871 is a deficient number, since it is larger than the sum of its proper divisors (692881).

112912871 is an equidigital number, since it uses as much as digits as its factorization.

112912871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692880.

The product of its digits is 2016, while the sum is 32.

The square root of 112912871 is about 10626.0468190198. The cubic root of 112912871 is about 483.3345232894.

The spelling of 112912871 in words is "one hundred twelve million, nine hundred twelve thousand, eight hundred seventy-one".