122115988 has 24 divisors (see below), whose sum is σ = 217105280. Its totient is φ = 60091200.

The previous prime is 122115977. The next prime is 122115989. The reversal of 122115988 is 889511221.

It is a super-2 number, since 2×122115988² = 29824629050432288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122115989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189595 + ... + 190237.

Almost surely, 2^122115988 is an apocalyptic number.

It is an amenable number.

122115988 is a deficient number, since it is larger than the sum of its proper divisors (94989292).

122115988 is a wasteful number, since it uses less digits than its factorization.

122115988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1325 counting only the distinct ones).

The product of its digits is 11520, while the sum is 37.

The square root of 122115988 is about 11050.6102998884. The cubic root of 122115988 is about 496.1246922455.

The spelling of 122115988 in words is "one hundred twenty-two million, one hundred fifteen thousand, nine hundred eighty-eight".