122955113 has 4 divisors (see below), whose sum is σ = 123239508. Its totient is φ = 122670720.

The previous prime is 122955109. The next prime is 122955127. The reversal of 122955113 is 311559221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311559221 = 17 ⋅18327013.

It can be written as a sum of positive squares in 2 ways, for example, as 21086464 + 101868649 = 4592^2 + 10093^2 .

It is a cyclic number.

It is not a de Polignac number, because 122955113 - 2² = 122955109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122955913) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 141548 + ... + 142413.

It is an arithmetic number, because the mean of its divisors is an integer number (30809877).

Almost surely, 2^122955113 is an apocalyptic number.

It is an amenable number.

122955113 is a deficient number, since it is larger than the sum of its proper divisors (284395).

122955113 is an equidigital number, since it uses as much as digits as its factorization.

122955113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284394.

The product of its digits is 2700, while the sum is 29.

The square root of 122955113 is about 11088.5126595049. The cubic root of 122955113 is about 497.2584796053.

The spelling of 122955113 in words is "one hundred twenty-two million, nine hundred fifty-five thousand, one hundred thirteen".