122155117 has 8 divisors (see below), whose sum is σ = 140544000. Its totient is φ = 104000784.

The previous prime is 122155109. The next prime is 122155129. The reversal of 122155117 is 711551221.

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

It is a cyclic number.

It is not a de Polignac number, because 122155117 - 2³ = 122155109 is a prime.

It is a super-3 number, since 3×122155117³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122155091 and 122155100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122155177) 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, 57517 + ... + 59602.

It is an arithmetic number, because the mean of its divisors is an integer number (17568000).

Almost surely, 2^122155117 is an apocalyptic number.

It is an amenable number.

122155117 is a deficient number, since it is larger than the sum of its proper divisors (18388883).

122155117 is a wasteful number, since it uses less digits than its factorization.

122155117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117275.

The product of its digits is 700, while the sum is 25.

The square root of 122155117 is about 11052.3806032909. The cubic root of 122155117 is about 496.1776768173.

The spelling of 122155117 in words is "one hundred twenty-two million, one hundred fifty-five thousand, one hundred seventeen".