122118997 has 16 divisors (see below), whose sum is σ = 163965312. Its totient is φ = 87837120.

The previous prime is 122118989. The next prime is 122119003. The reversal of 122118997 is 799811221.

It is not a de Polignac number, because 122118997 - 2³ = 122118989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122118977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59998 + ... + 61999.

It is an arithmetic number, because the mean of its divisors is an integer number (10247832).

Almost surely, 2^122118997 is an apocalyptic number.

It is an amenable number.

122118997 is a deficient number, since it is larger than the sum of its proper divisors (41846315).

122118997 is a wasteful number, since it uses less digits than its factorization.

122118997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122028.

The product of its digits is 18144, while the sum is 40.

The square root of 122118997 is about 11050.7464453764. The cubic root of 122118997 is about 496.1287671335.

The spelling of 122118997 in words is "one hundred twenty-two million, one hundred eighteen thousand, nine hundred ninety-seven".