129915059 has 2 divisors, whose sum is σ = 129915060. Its totient is φ = 129915058.

The previous prime is 129915043. The next prime is 129915067. The reversal of 129915059 is 950519921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129915059 - 2⁴ = 129915043 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (129915259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64957529 + 64957530.

It is an arithmetic number, because the mean of its divisors is an integer number (64957530).

Almost surely, 2^129915059 is an apocalyptic number.

129915059 is a deficient number, since it is larger than the sum of its proper divisors (1).

129915059 is an equidigital number, since it uses as much as digits as its factorization.

129915059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 41.

The square root of 129915059 is about 11398.0287330749. The cubic root of 129915059 is about 506.4693461112.

The spelling of 129915059 in words is "one hundred twenty-nine million, nine hundred fifteen thousand, fifty-nine".