115772417 has 2 divisors, whose sum is σ = 115772418. Its totient is φ = 115772416.

The previous prime is 115772413. The next prime is 115772441. The reversal of 115772417 is 714277511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109641841 + 6130576 = 10471^2 + 2476^2 .

It is a cyclic number.

It is not a de Polignac number, because 115772417 - 2² = 115772413 is a prime.

It is not a weakly prime, because it can be changed into another prime (115772411) 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, 57886208 + 57886209.

It is an arithmetic number, because the mean of its divisors is an integer number (57886209).

Almost surely, 2^115772417 is an apocalyptic number.

It is an amenable number.

115772417 is a deficient number, since it is larger than the sum of its proper divisors (1).

115772417 is an equidigital number, since it uses as much as digits as its factorization.

115772417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13720, while the sum is 35.

The square root of 115772417 is about 10759.7591515796. The cubic root of 115772417 is about 487.3807441800.

The spelling of 115772417 in words is "one hundred fifteen million, seven hundred seventy-two thousand, four hundred seventeen".