115774969 has 2 divisors, whose sum is σ = 115774970. Its totient is φ = 115774968.

The previous prime is 115774951. The next prime is 115774973. The reversal of 115774969 is 969477511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77792400 + 37982569 = 8820^2 + 6163^2 .

It is a cyclic number.

It is not a de Polignac number, because 115774969 - 2⁹ = 115774457 is a prime.

It is a super-2 number, since 2×115774969² = 26807686893901922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115774909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57887484 + 57887485.

It is an arithmetic number, because the mean of its divisors is an integer number (57887485).

Almost surely, 2^115774969 is an apocalyptic number.

It is an amenable number.

115774969 is a deficient number, since it is larger than the sum of its proper divisors (1).

115774969 is an equidigital number, since it uses as much as digits as its factorization.

115774969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 49.

The square root of 115774969 is about 10759.8777409411. The cubic root of 115774969 is about 487.3843253051.

The spelling of 115774969 in words is "one hundred fifteen million, seven hundred seventy-four thousand, nine hundred sixty-nine".