125056431843120 has 120 divisors (see below), whose sum is σ = 420100268174496. Its totient is φ = 33338925978624.

The previous prime is 125056431843073. The next prime is 125056431843131. The reversal of 125056431843120 is 21348134650521.

125056431843120 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 56 + 431 + 8 + 43 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×125056431843120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22083397 + ... + 27162276.

Almost surely, 2^{125056431843120} is an apocalyptic number.

125056431843120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125056431843120 is an abundant number, since it is smaller than the sum of its proper divisors (295043836331376).

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

125056431843120 is a wasteful number, since it uses less digits than its factorization.

125056431843120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49249219 (or 49249210 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 125056431843120 in words is "one hundred twenty-five trillion, fifty-six billion, four hundred thirty-one million, eight hundred forty-three thousand, one hundred twenty".