125903572 has 12 divisors (see below), whose sum is σ = 220418100. Its totient is φ = 62926976.

The previous prime is 125903551. The next prime is 125903597. The reversal of 125903572 is 275309521.

It can be written as a sum of positive squares in 2 ways, for example, as 5035536 + 120868036 = 2244^2 + 10994^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9804 + ... + 18652.

It is an arithmetic number, because the mean of its divisors is an integer number (18368175).

Almost surely, 2^125903572 is an apocalyptic number.

It is an amenable number.

125903572 is a deficient number, since it is larger than the sum of its proper divisors (94514528).

125903572 is a wasteful number, since it uses less digits than its factorization.

125903572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12410 (or 12408 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 125903572 is about 11220.6760937120. The cubic root of 125903572 is about 501.2018713623.

The spelling of 125903572 in words is "one hundred twenty-five million, nine hundred three thousand, five hundred seventy-two".