125984456629 has 2 divisors, whose sum is σ = 125984456630. Its totient is φ = 125984456628.

The previous prime is 125984456623. The next prime is 125984456669. The reversal of 125984456629 is 926654489521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89160765604 + 36823691025 = 298598^2 + 191895^2 .

It is a cyclic number.

It is not a de Polignac number, because 125984456629 - 2⁵ = 125984456597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125984456623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62992228314 + 62992228315.

It is an arithmetic number, because the mean of its divisors is an integer number (62992228315).

Almost surely, 2^125984456629 is an apocalyptic number.

It is an amenable number.

125984456629 is a deficient number, since it is larger than the sum of its proper divisors (1).

125984456629 is an equidigital number, since it uses as much as digits as its factorization.

125984456629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37324800, while the sum is 61.

The spelling of 125984456629 in words is "one hundred twenty-five billion, nine hundred eighty-four million, four hundred fifty-six thousand, six hundred twenty-nine".