115004921 has 2 divisors, whose sum is σ = 115004922. Its totient is φ = 115004920.

The previous prime is 115004909. The next prime is 115004941. The reversal of 115004921 is 129400511.

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., 95335696 + 19669225 = 9764^2 + 4435^2 .

It is a cyclic number.

It is not a de Polignac number, because 115004921 - 2¹⁰ = 115003897 is a prime.

It is a super-2 number, since 2×115004921² = 26452263708432482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115004941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57502460 + 57502461.

It is an arithmetic number, because the mean of its divisors is an integer number (57502461).

Almost surely, 2^115004921 is an apocalyptic number.

It is an amenable number.

115004921 is a deficient number, since it is larger than the sum of its proper divisors (1).

115004921 is an equidigital number, since it uses as much as digits as its factorization.

115004921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 115004921 is about 10724.0347351172. The cubic root of 115004921 is about 486.3013494012.

The spelling of 115004921 in words is "one hundred fifteen million, four thousand, nine hundred twenty-one".