112427891 has 4 divisors (see below), whose sum is σ = 112483800. Its totient is φ = 112371984.

The previous prime is 112427849. The next prime is 112427897. The reversal of 112427891 is 198724211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112427891 - 2⁶ = 112427827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112427897) 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, 24821 + ... + 28998.

It is an arithmetic number, because the mean of its divisors is an integer number (28120950).

Almost surely, 2^112427891 is an apocalyptic number.

112427891 is a deficient number, since it is larger than the sum of its proper divisors (55909).

112427891 is an equidigital number, since it uses as much as digits as its factorization.

112427891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55908.

The product of its digits is 8064, while the sum is 35.

The square root of 112427891 is about 10603.2019220611. The cubic root of 112427891 is about 482.6415288151.

The spelling of 112427891 in words is "one hundred twelve million, four hundred twenty-seven thousand, eight hundred ninety-one".