115330121 has 2 divisors, whose sum is σ = 115330122. Its totient is φ = 115330120.

The previous prime is 115330099. The next prime is 115330139. The reversal of 115330121 is 121033511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106832896 + 8497225 = 10336^2 + 2915^2 .

It is a cyclic number.

It is not a de Polignac number, because 115330121 - 2¹⁸ = 115067977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115330121.

It is not a weakly prime, because it can be changed into another prime (115330181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57665060 + 57665061.

It is an arithmetic number, because the mean of its divisors is an integer number (57665061).

Almost surely, 2^115330121 is an apocalyptic number.

It is an amenable number.

115330121 is a deficient number, since it is larger than the sum of its proper divisors (1).

115330121 is an equidigital number, since it uses as much as digits as its factorization.

115330121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 115330121 is about 10739.1862354650. The cubic root of 115330121 is about 486.7592902978.

Adding to 115330121 its reverse (121033511), we get a palindrome (236363632).

The spelling of 115330121 in words is "one hundred fifteen million, three hundred thirty thousand, one hundred twenty-one".