125373439728 has 60 divisors (see below), whose sum is σ = 360354530328. Its totient is φ = 40661654400.

The previous prime is 125373439699. The next prime is 125373439777. The reversal of 125373439728 is 827934373521.

It is a happy number.

125373439728 is a `hidden beast` number, since 1 + 2 + 537 + 3 + 4 + 39 + 72 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11760198 + ... + 11770853.

Almost surely, 2^125373439728 is an apocalyptic number.

125373439728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

125373439728 is an abundant number, since it is smaller than the sum of its proper divisors (234981090600).

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

125373439728 is a wasteful number, since it uses less digits than its factorization.

125373439728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23531102 (or 23531093 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 125373439728 in words is "one hundred twenty-five billion, three hundred seventy-three million, four hundred thirty-nine thousand, seven hundred twenty-eight".