125724492774 has 24 divisors (see below), whose sum is σ = 272500429032. Its totient is φ = 41893185600.

The previous prime is 125724492721. The next prime is 125724492791. The reversal of 125724492774 is 477294427521.

125724492774 is a `hidden beast` number, since 1 + 2 + 572 + 4 + 49 + 27 + 7 + 4 = 666.

125724492774 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 125724492774.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1196404 + ... + 1297239.

It is an arithmetic number, because the mean of its divisors is an integer number (11354184543).

Almost surely, 2^125724492774 is an apocalyptic number.

125724492774 is an abundant number, since it is smaller than the sum of its proper divisors (146775936258).

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

125724492774 is a wasteful number, since it uses less digits than its factorization.

125724492774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496452 (or 2496449 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The spelling of 125724492774 in words is "one hundred twenty-five billion, seven hundred twenty-four million, four hundred ninety-two thousand, seven hundred seventy-four".