122551165 has 16 divisors (see below), whose sum is σ = 161251200. Its totient is φ = 88672320.

The previous prime is 122551133. The next prime is 122551223. The reversal of 122551165 is 561155221.

It is not a de Polignac number, because 122551165 - 2⁵ = 122551133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5347 + ... + 16543.

It is an arithmetic number, because the mean of its divisors is an integer number (10078200).

Almost surely, 2^122551165 is an apocalyptic number.

It is an amenable number.

122551165 is a deficient number, since it is larger than the sum of its proper divisors (38700035).

122551165 is a wasteful number, since it uses less digits than its factorization.

122551165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11412.

The product of its digits is 3000, while the sum is 28.

The square root of 122551165 is about 11070.2829683798. The cubic root of 122551165 is about 496.7133295997.

The spelling of 122551165 in words is "one hundred twenty-two million, five hundred fifty-one thousand, one hundred sixty-five".