125067133657 has 2 divisors, whose sum is σ = 125067133658. Its totient is φ = 125067133656.

The previous prime is 125067133643. The next prime is 125067133663. The reversal of 125067133657 is 756331760521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82904260761 + 42162872896 = 287931^2 + 205336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125067133657 is a prime.

It is not a weakly prime, because it can be changed into another prime (125067133627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62533566828 + 62533566829.

It is an arithmetic number, because the mean of its divisors is an integer number (62533566829).

Almost surely, 2^125067133657 is an apocalyptic number.

It is an amenable number.

125067133657 is a deficient number, since it is larger than the sum of its proper divisors (1).

125067133657 is an equidigital number, since it uses as much as digits as its factorization.

125067133657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 125067133657 in words is "one hundred twenty-five billion, sixty-seven million, one hundred thirty-three thousand, six hundred fifty-seven".