125626312507 has 4 divisors (see below), whose sum is σ = 125840327256. Its totient is φ = 125412297760.

The previous prime is 125626312481. The next prime is 125626312589. The reversal of 125626312507 is 705213626521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125626312507 - 2⁷ = 125626312379 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125626312507.

It is not an unprimeable number, because it can be changed into a prime (125626312807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107006494 + ... + 107007667.

It is an arithmetic number, because the mean of its divisors is an integer number (31460081814).

Almost surely, 2^125626312507 is an apocalyptic number.

125626312507 is a deficient number, since it is larger than the sum of its proper divisors (214014749).

125626312507 is an equidigital number, since it uses as much as digits as its factorization.

125626312507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214014748.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 125626312507 in words is "one hundred twenty-five billion, six hundred twenty-six million, three hundred twelve thousand, five hundred seven".