125242720572 has 24 divisors (see below), whose sum is σ = 292291566336. Its totient is φ = 41739209008.

The previous prime is 125242720513. The next prime is 125242720601. The reversal of 125242720572 is 275027242521.

125242720572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 125242720572.

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, 983028 + ... + 1103099.

It is an arithmetic number, because the mean of its divisors is an integer number (12178815264).

Almost surely, 2^125242720572 is an apocalyptic number.

125242720572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125242720572 is an abundant number, since it is smaller than the sum of its proper divisors (167048845764).

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

125242720572 is a wasteful number, since it uses less digits than its factorization.

125242720572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091137 (or 2091135 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 125242720572 in words is "one hundred twenty-five billion, two hundred forty-two million, seven hundred twenty thousand, five hundred seventy-two".