125137736807 has 2 divisors, whose sum is σ = 125137736808. Its totient is φ = 125137736806.

The previous prime is 125137736791. The next prime is 125137736809. The reversal of 125137736807 is 708637731521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125137736807 - 2⁴ = 125137736791 is a prime.

Together with 125137736809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125137736809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62568868403 + 62568868404.

It is an arithmetic number, because the mean of its divisors is an integer number (62568868404).

Almost surely, 2^125137736807 is an apocalyptic number.

125137736807 is a deficient number, since it is larger than the sum of its proper divisors (1).

125137736807 is an equidigital number, since it uses as much as digits as its factorization.

125137736807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 125137736807 in words is "one hundred twenty-five billion, one hundred thirty-seven million, seven hundred thirty-six thousand, eight hundred seven".