115400969 has 2 divisors, whose sum is σ = 115400970. Its totient is φ = 115400968.

The previous prime is 115400951. The next prime is 115400977. The reversal of 115400969 is 969004511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70778569 + 44622400 = 8413^2 + 6680^2 .

It is a cyclic number.

It is not a de Polignac number, because 115400969 - 2¹² = 115396873 is a prime.

It is a super-2 number, since 2×115400969² = 26634767292277922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (115400069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57700484 + 57700485.

It is an arithmetic number, because the mean of its divisors is an integer number (57700485).

Almost surely, 2^115400969 is an apocalyptic number.

It is an amenable number.

115400969 is a deficient number, since it is larger than the sum of its proper divisors (1).

115400969 is an equidigital number, since it uses as much as digits as its factorization.

115400969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 115400969 is about 10742.4843029906. The cubic root of 115400969 is about 486.8589429664.

The spelling of 115400969 in words is "one hundred fifteen million, four hundred thousand, nine hundred sixty-nine".