125201024520 has 128 divisors (see below), whose sum is σ = 441268007040. Its totient is φ = 28017008640.

The previous prime is 125201024513. The next prime is 125201024527. The reversal of 125201024520 is 25420102521.

125201024520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (125201024513) and next prime (125201024527).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (125201024527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3630889 + ... + 3665208.

It is an arithmetic number, because the mean of its divisors is an integer number (3447406305).

Almost surely, 2^125201024520 is an apocalyptic number.

125201024520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125201024520 is an abundant number, since it is smaller than the sum of its proper divisors (316066982520).

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

125201024520 is a wasteful number, since it uses less digits than its factorization.

125201024520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296135 (or 7296131 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 125201024520 in words is "one hundred twenty-five billion, two hundred one million, twenty-four thousand, five hundred twenty".