125311872 has 64 divisors (see below), whose sum is σ = 380419200. Its totient is φ = 35802624.

The previous prime is 125311861. The next prime is 125311883. The reversal of 125311872 is 278113521.

It is an interprime number because it is at equal distance from previous prime (125311861) and next prime (125311883).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20622 + ... + 25997.

It is an arithmetic number, because the mean of its divisors is an integer number (5944050).

Almost surely, 2^125311872 is an apocalyptic number.

125311872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125311872 is an abundant number, since it is smaller than the sum of its proper divisors (255107328).

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

125311872 is an equidigital number, since it uses as much as digits as its factorization.

125311872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46643 (or 46631 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 125311872 is about 11194.2785386107. The cubic root of 125311872 is about 500.4154839838.

The spelling of 125311872 in words is "one hundred twenty-five million, three hundred eleven thousand, eight hundred seventy-two".