125652565 has 16 divisors (see below), whose sum is σ = 157862016. Its totient is φ = 95832000.

The previous prime is 125652557. The next prime is 125652587. The reversal of 125652565 is 565256521.

It is not a de Polignac number, because 125652565 - 2³ = 125652557 is a prime.

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

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 36415 + ... + 39715.

It is an arithmetic number, because the mean of its divisors is an integer number (9866376).

Almost surely, 2^125652565 is an apocalyptic number.

It is an amenable number.

125652565 is a deficient number, since it is larger than the sum of its proper divisors (32209451).

125652565 is a wasteful number, since it uses less digits than its factorization.

125652565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660.

The product of its digits is 90000, while the sum is 37.

The square root of 125652565 is about 11209.4854922070. The cubic root of 125652565 is about 500.8685769412.

The spelling of 125652565 in words is "one hundred twenty-five million, six hundred fifty-two thousand, five hundred sixty-five".