112725531 has 12 divisors (see below), whose sum is σ = 164656440. Its totient is φ = 74305440.

The previous prime is 112725469. The next prime is 112725559. The reversal of 112725531 is 135527211.

112725531 is a `hidden beast` number, since 1 + 127 + 2 + 5 + 531 = 666.

It is not a de Polignac number, because 112725531 - 2⁶ = 112725467 is a prime.

It is a super-2 number, since 2×112725531² = 25414090678463922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112725495 and 112725504.

It is not an unprimeable number, because it can be changed into a prime (112724531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69565 + ... + 71166.

It is an arithmetic number, because the mean of its divisors is an integer number (13721370).

Almost surely, 2^112725531 is an apocalyptic number.

112725531 is a deficient number, since it is larger than the sum of its proper divisors (51930909).

112725531 is a wasteful number, since it uses less digits than its factorization.

112725531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140826 (or 140823 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 112725531 is about 10617.2280280683. The cubic root of 112725531 is about 483.0670662887.

The spelling of 112725531 in words is "one hundred twelve million, seven hundred twenty-five thousand, five hundred thirty-one".