126931596 has 48 divisors (see below), whose sum is σ = 325503360. Its totient is φ = 38177920.

The previous prime is 126931589. The next prime is 126931601. The reversal of 126931596 is 695139621.

It is a super-2 number, since 2×126931596² = 32223260126214432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14575 + ... + 21593.

It is an arithmetic number, because the mean of its divisors is an integer number (6781320).

Almost surely, 2^126931596 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 126931596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162751680).

126931596 is an abundant number, since it is smaller than the sum of its proper divisors (198571764).

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

126931596 is a wasteful number, since it uses less digits than its factorization.

126931596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174 (or 7172 counting only the distinct ones).

The product of its digits is 87480, while the sum is 42.

The square root of 126931596 is about 11266.3923240761. The cubic root of 126931596 is about 502.5623080580.

The spelling of 126931596 in words is "one hundred twenty-six million, nine hundred thirty-one thousand, five hundred ninety-six".