125389725 has 24 divisors (see below), whose sum is σ = 207933120. Its totient is φ = 66673920.

The previous prime is 125389723. The next prime is 125389727. The reversal of 125389725 is 527983521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125389723) and next prime (125389727).

It is not a de Polignac number, because 125389725 - 2¹ = 125389723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125389723) 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 23 ways as a sum of consecutive naturals, for example, 24597 + ... + 29253.

It is an arithmetic number, because the mean of its divisors is an integer number (8663880).

Almost surely, 2^125389725 is an apocalyptic number.

125389725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125389725 is a deficient number, since it is larger than the sum of its proper divisors (82543395).

125389725 is a wasteful number, since it uses less digits than its factorization.

125389725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5029 (or 5024 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 125389725 is about 11197.7553554273. The cubic root of 125389725 is about 500.5190942292.

The spelling of 125389725 in words is "one hundred twenty-five million, three hundred eighty-nine thousand, seven hundred twenty-five".