115672621 has 2 divisors, whose sum is σ = 115672622. Its totient is φ = 115672620.

The previous prime is 115672541. The next prime is 115672637. The reversal of 115672621 is 126276511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110880900 + 4791721 = 10530^2 + 2189^2 .

It is a cyclic number.

It is not a de Polignac number, because 115672621 - 2¹⁷ = 115541549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115772621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57836310 + 57836311.

It is an arithmetic number, because the mean of its divisors is an integer number (57836311).

Almost surely, 2^115672621 is an apocalyptic number.

It is an amenable number.

115672621 is a deficient number, since it is larger than the sum of its proper divisors (1).

115672621 is an equidigital number, since it uses as much as digits as its factorization.

115672621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 115672621 is about 10755.1206873749. The cubic root of 115672621 is about 487.2406629406.

The spelling of 115672621 in words is "one hundred fifteen million, six hundred seventy-two thousand, six hundred twenty-one".