125738451672 has 32 divisors (see below), whose sum is σ = 316274642880. Its totient is φ = 41655682080.

The previous prime is 125738451667. The next prime is 125738451737. The reversal of 125738451672 is 276154837521.

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, 16066954 + ... + 16074777.

It is an arithmetic number, because the mean of its divisors is an integer number (9883582590).

Almost surely, 2^125738451672 is an apocalyptic number.

125738451672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125738451672 is an abundant number, since it is smaller than the sum of its proper divisors (190536191208).

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

125738451672 is a wasteful number, since it uses less digits than its factorization.

125738451672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32141903 (or 32141899 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The spelling of 125738451672 in words is "one hundred twenty-five billion, seven hundred thirty-eight million, four hundred fifty-one thousand, six hundred seventy-two".