115940449 has 2 divisors, whose sum is σ = 115940450. Its totient is φ = 115940448.

The previous prime is 115940441. The next prime is 115940467. The reversal of 115940449 is 944049511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83393424 + 32547025 = 9132^2 + 5705^2 .

It is a cyclic number.

It is not a de Polignac number, because 115940449 - 2³ = 115940441 is a prime.

It is not a weakly prime, because it can be changed into another prime (115940441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57970224 + 57970225.

It is an arithmetic number, because the mean of its divisors is an integer number (57970225).

Almost surely, 2^115940449 is an apocalyptic number.

It is an amenable number.

115940449 is a deficient number, since it is larger than the sum of its proper divisors (1).

115940449 is an equidigital number, since it uses as much as digits as its factorization.

115940449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 115940449 is about 10767.5646735926. The cubic root of 115940449 is about 487.6164248778.

The spelling of 115940449 in words is "one hundred fifteen million, nine hundred forty thousand, four hundred forty-nine".