113512072 has 16 divisors (see below), whose sum is σ = 213198300. Its totient is φ = 56659200.

The previous prime is 113512057. The next prime is 113512073. The reversal of 113512072 is 270215311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 113507716 + 4356 = 10654^2 + 66^2 .

It is not an unprimeable number, because it can be changed into a prime (113512073) 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, 6997 + ... + 16612.

Almost surely, 2^113512072 is an apocalyptic number.

It is an amenable number.

113512072 is a deficient number, since it is larger than the sum of its proper divisors (99686228).

113512072 is a wasteful number, since it uses less digits than its factorization.

113512072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24216 (or 24212 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 113512072 is about 10654.2044282997. The cubic root of 113512072 is about 484.1879947248.

Adding to 113512072 its reverse (270215311), we get a palindrome (383727383).

The spelling of 113512072 in words is "one hundred thirteen million, five hundred twelve thousand, seventy-two".