125135737 has 2 divisors, whose sum is σ = 125135738. Its totient is φ = 125135736.

The previous prime is 125135711. The next prime is 125135741. The reversal of 125135737 is 737531521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111915241 + 13220496 = 10579^2 + 3636^2 .

It is a cyclic number.

It is not a de Polignac number, because 125135737 - 2²³ = 116747129 is a prime.

It is not a weakly prime, because it can be changed into another prime (125135707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62567868 + 62567869.

It is an arithmetic number, because the mean of its divisors is an integer number (62567869).

Almost surely, 2^125135737 is an apocalyptic number.

It is an amenable number.

125135737 is a deficient number, since it is larger than the sum of its proper divisors (1).

125135737 is an equidigital number, since it uses as much as digits as its factorization.

125135737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22050, while the sum is 34.

The square root of 125135737 is about 11186.4085836340. The cubic root of 125135737 is about 500.1809171967.

The spelling of 125135737 in words is "one hundred twenty-five million, one hundred thirty-five thousand, seven hundred thirty-seven".