125235204432520 has 128 divisors (see below), whose sum is σ = 365058085996800. Its totient is φ = 37548831661056.

The previous prime is 125235204432479. The next prime is 125235204432551. The reversal of 125235204432520 is 25234402532521.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 905332839 + ... + 905471158.

It is an arithmetic number, because the mean of its divisors is an integer number (2852016296850).

Almost surely, 2^{125235204432520} is an apocalyptic number.

125235204432520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125235204432520 is an abundant number, since it is smaller than the sum of its proper divisors (239822881564280).

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

125235204432520 is a wasteful number, since it uses less digits than its factorization.

125235204432520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810804047 (or 1810804043 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 125235204432520 in words is "one hundred twenty-five trillion, two hundred thirty-five billion, two hundred four million, four hundred thirty-two thousand, five hundred twenty".