115329121 has 2 divisors, whose sum is σ = 115329122. Its totient is φ = 115329120.

The previous prime is 115329103. The next prime is 115329127. The reversal of 115329121 is 121923511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81270225 + 34058896 = 9015^2 + 5836^2 .

It is a cyclic number.

It is not a de Polignac number, because 115329121 - 2⁵ = 115329089 is a prime.

It is not a weakly prime, because it can be changed into another prime (115329127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57664560 + 57664561.

It is an arithmetic number, because the mean of its divisors is an integer number (57664561).

Almost surely, 2^115329121 is an apocalyptic number.

It is an amenable number.

115329121 is a deficient number, since it is larger than the sum of its proper divisors (1).

115329121 is an equidigital number, since it uses as much as digits as its factorization.

115329121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 25.

The square root of 115329121 is about 10739.1396769015. The cubic root of 115329121 is about 486.7578834358.

The spelling of 115329121 in words is "one hundred fifteen million, three hundred twenty-nine thousand, one hundred twenty-one".