125724885 has 32 divisors (see below), whose sum is σ = 236331648. Its totient is φ = 56267520.

The previous prime is 125724869. The next prime is 125724887. The reversal of 125724885 is 588427521.

It is not a de Polignac number, because 125724885 - 2⁴ = 125724869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125724887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27162 + ... + 31451.

It is an arithmetic number, because the mean of its divisors is an integer number (7385364).

Almost surely, 2^125724885 is an apocalyptic number.

125724885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125724885 is a deficient number, since it is larger than the sum of its proper divisors (110606763).

125724885 is a wasteful number, since it uses less digits than its factorization.

125724885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58645.

The product of its digits is 179200, while the sum is 42.

The square root of 125724885 is about 11212.7108675824. The cubic root of 125724885 is about 500.9646510332.

The spelling of 125724885 in words is "one hundred twenty-five million, seven hundred twenty-four thousand, eight hundred eighty-five".