125320884979 has 2 divisors, whose sum is σ = 125320884980. Its totient is φ = 125320884978.

The previous prime is 125320884973. The next prime is 125320885021. The reversal of 125320884979 is 979488023521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125320884979 - 2⁷ = 125320884851 is a prime.

It is not a weakly prime, because it can be changed into another prime (125320884973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62660442489 + 62660442490.

It is an arithmetic number, because the mean of its divisors is an integer number (62660442490).

Almost surely, 2^125320884979 is an apocalyptic number.

125320884979 is a deficient number, since it is larger than the sum of its proper divisors (1).

125320884979 is an equidigital number, since it uses as much as digits as its factorization.

125320884979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 125320884979 in words is "one hundred twenty-five billion, three hundred twenty million, eight hundred eighty-four thousand, nine hundred seventy-nine".