125764278929 has 2 divisors, whose sum is σ = 125764278930. Its totient is φ = 125764278928.

The previous prime is 125764278911. The next prime is 125764278943. The reversal of 125764278929 is 929872467521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87084010000 + 38680268929 = 295100^2 + 196673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125764278929 is a prime.

It is not a weakly prime, because it can be changed into another prime (125764274929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62882139464 + 62882139465.

It is an arithmetic number, because the mean of its divisors is an integer number (62882139465).

Almost surely, 2^125764278929 is an apocalyptic number.

It is an amenable number.

125764278929 is a deficient number, since it is larger than the sum of its proper divisors (1).

125764278929 is an equidigital number, since it uses as much as digits as its factorization.

125764278929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 62.

The spelling of 125764278929 in words is "one hundred twenty-five billion, seven hundred sixty-four million, two hundred seventy-eight thousand, nine hundred twenty-nine".