115936129 has 2 divisors, whose sum is σ = 115936130. Its totient is φ = 115936128.

The previous prime is 115936097. The next prime is 115936153. The reversal of 115936129 is 921639511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115605504 + 330625 = 10752^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 115936129 - 2⁵ = 115936097 is a prime.

It is not a weakly prime, because it can be changed into another prime (115936189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57968064 + 57968065.

It is an arithmetic number, because the mean of its divisors is an integer number (57968065).

Almost surely, 2^115936129 is an apocalyptic number.

It is an amenable number.

115936129 is a deficient number, since it is larger than the sum of its proper divisors (1).

115936129 is an equidigital number, since it uses as much as digits as its factorization.

115936129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 37.

The square root of 115936129 is about 10767.3640692604. The cubic root of 115936129 is about 487.6103685241.

The spelling of 115936129 in words is "one hundred fifteen million, nine hundred thirty-six thousand, one hundred twenty-nine".