112891492 has 54 divisors (see below), whose sum is σ = 244251042. Its totient is φ = 45513216.

The previous prime is 112891487. The next prime is 112891547. The reversal of 112891492 is 294198211.

It can be written as a sum of positive squares in 3 ways, for example, as 59074596 + 53816896 = 7686^2 + 7336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55648 + ... + 57640.

Almost surely, 2^112891492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112891492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122125521).

112891492 is an abundant number, since it is smaller than the sum of its proper divisors (131359550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112891492 is a wasteful number, since it uses less digits than its factorization.

112891492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2019 counting only the distinct ones).

The product of its digits is 10368, while the sum is 37.

The square root of 112891492 is about 10625.0407999217. The cubic root of 112891492 is about 483.3040164012.

The spelling of 112891492 in words is "one hundred twelve million, eight hundred ninety-one thousand, four hundred ninety-two".