115872122 has 4 divisors (see below), whose sum is σ = 173808186. Its totient is φ = 57936060.

The previous prime is 115872073. The next prime is 115872157. The reversal of 115872122 is 221278511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 98823481 + 17048641 = 9941^2 + 4129^2 .

It is an unprimeable number.

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, 28968029 + ... + 28968032.

Almost surely, 2^115872122 is an apocalyptic number.

115872122 is a deficient number, since it is larger than the sum of its proper divisors (57936064).

115872122 is an equidigital number, since it uses as much as digits as its factorization.

115872122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57936063.

The product of its digits is 2240, while the sum is 29.

The square root of 115872122 is about 10764.3913901344. The cubic root of 115872122 is about 487.5206173178.

The spelling of 115872122 in words is "one hundred fifteen million, eight hundred seventy-two thousand, one hundred twenty-two".