115921922 has 8 divisors (see below), whose sum is σ = 174271500. Its totient is φ = 57831424.

The previous prime is 115921919. The next prime is 115921933. The reversal of 115921922 is 229129511.

It can be written as a sum of positive squares in 2 ways, for example, as 114939841 + 982081 = 10721^2 + 991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 63647 + ... + 65442.

Almost surely, 2^115921922 is an apocalyptic number.

115921922 is a deficient number, since it is larger than the sum of its proper divisors (58349578).

115921922 is a wasteful number, since it uses less digits than its factorization.

115921922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129540.

The product of its digits is 3240, while the sum is 32.

The square root of 115921922 is about 10766.7043239796. The cubic root of 115921922 is about 487.5904501904.

The spelling of 115921922 in words is "one hundred fifteen million, nine hundred twenty-one thousand, nine hundred twenty-two".