126365657 has 16 divisors (see below), whose sum is σ = 146921472. Its totient is φ = 107535120.

The previous prime is 126365647. The next prime is 126365717. The reversal of 126365657 is 756563621.

It is not a de Polignac number, because 126365657 - 2⁸ = 126365401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126365627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6578 + ... + 17204.

It is an arithmetic number, because the mean of its divisors is an integer number (9182592).

Almost surely, 2^126365657 is an apocalyptic number.

It is an amenable number.

126365657 is a deficient number, since it is larger than the sum of its proper divisors (20555815).

126365657 is a wasteful number, since it uses less digits than its factorization.

126365657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10708.

The product of its digits is 226800, while the sum is 41.

The square root of 126365657 is about 11241.2480179026. The cubic root of 126365657 is about 501.8142847789.

The spelling of 126365657 in words is "one hundred twenty-six million, three hundred sixty-five thousand, six hundred fifty-seven".