115212049 has 2 divisors, whose sum is σ = 115212050. Its totient is φ = 115212048.

The previous prime is 115212023. The next prime is 115212079. The reversal of 115212049 is 940212511.

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., 70896400 + 44315649 = 8420^2 + 6657^2 .

It is a cyclic number.

It is not a de Polignac number, because 115212049 - 2⁵ = 115212017 is a prime.

It is not a weakly prime, because it can be changed into another prime (115212079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57606024 + 57606025.

It is an arithmetic number, because the mean of its divisors is an integer number (57606025).

Almost surely, 2^115212049 is an apocalyptic number.

It is an amenable number.

115212049 is a deficient number, since it is larger than the sum of its proper divisors (1).

115212049 is an equidigital number, since it uses as much as digits as its factorization.

115212049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 115212049 is about 10733.6875769700. The cubic root of 115212049 is about 486.5931230480.

The spelling of 115212049 in words is "one hundred fifteen million, two hundred twelve thousand, forty-nine".