125764511 has 2 divisors, whose sum is σ = 125764512. Its totient is φ = 125764510.

The previous prime is 125764469. The next prime is 125764531. The reversal of 125764511 is 115467521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125764511 - 2⁶ = 125764447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125764531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62882255 + 62882256.

It is an arithmetic number, because the mean of its divisors is an integer number (62882256).

Almost surely, 2^125764511 is an apocalyptic number.

125764511 is a deficient number, since it is larger than the sum of its proper divisors (1).

125764511 is an equidigital number, since it uses as much as digits as its factorization.

125764511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 32.

The square root of 125764511 is about 11214.4777408491. The cubic root of 125764511 is about 501.0172768918.

The spelling of 125764511 in words is "one hundred twenty-five million, seven hundred sixty-four thousand, five hundred eleven".