125012725 has 12 divisors (see below), whose sum is σ = 155666500. Its totient is φ = 99590400.

The previous prime is 125012711. The next prime is 125012737. The reversal of 125012725 is 527210521.

It can be written as a sum of positive squares in 6 ways, for example, as 12292036 + 112720689 = 3506^2 + 10617^2 .

It is not a de Polignac number, because 125012725 - 2¹³ = 125004533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 125012725.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4350 + ... + 16399.

Almost surely, 2^125012725 is an apocalyptic number.

It is an amenable number.

125012725 is a deficient number, since it is larger than the sum of its proper divisors (30653775).

125012725 is a wasteful number, since it uses less digits than its factorization.

125012725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21000 (or 20995 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 125012725 is about 11180.9089523169. The cubic root of 125012725 is about 500.0169660910.

The spelling of 125012725 in words is "one hundred twenty-five million, twelve thousand, seven hundred twenty-five".