115238969 has 2 divisors, whose sum is σ = 115238970. Its totient is φ = 115238968.

The previous prime is 115238957. The next prime is 115239031. The reversal of 115238969 is 969832511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76650025 + 38588944 = 8755^2 + 6212^2 .

It is an emirp because it is prime and its reverse (969832511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115238969 is a prime.

It is a super-2 number, since 2×115238969² = 26560039952365922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (115238939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57619484 + 57619485.

It is an arithmetic number, because the mean of its divisors is an integer number (57619485).

Almost surely, 2^115238969 is an apocalyptic number.

It is an amenable number.

115238969 is a deficient number, since it is larger than the sum of its proper divisors (1).

115238969 is an equidigital number, since it uses as much as digits as its factorization.

115238969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 44.

The square root of 115238969 is about 10734.9414996077. The cubic root of 115238969 is about 486.6310185832.

The spelling of 115238969 in words is "one hundred fifteen million, two hundred thirty-eight thousand, nine hundred sixty-nine".