125679629 has 2 divisors, whose sum is σ = 125679630. Its totient is φ = 125679628.

The previous prime is 125679601. The next prime is 125679667. The reversal of 125679629 is 926976521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92352100 + 33327529 = 9610^2 + 5773^2 .

It is a cyclic number.

It is not a de Polignac number, because 125679629 - 2⁸ = 125679373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125679689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62839814 + 62839815.

It is an arithmetic number, because the mean of its divisors is an integer number (62839815).

Almost surely, 2^125679629 is an apocalyptic number.

It is an amenable number.

125679629 is a deficient number, since it is larger than the sum of its proper divisors (1).

125679629 is an equidigital number, since it uses as much as digits as its factorization.

125679629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 125679629 is about 11210.6926191025. The cubic root of 125679629 is about 500.9045346474.

The spelling of 125679629 in words is "one hundred twenty-five million, six hundred seventy-nine thousand, six hundred twenty-nine".