122913163 has 4 divisors (see below), whose sum is σ = 123082960. Its totient is φ = 122743368.

The previous prime is 122913139. The next prime is 122913211. The reversal of 122913163 is 361319221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122913163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122913103) 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, 83808 + ... + 85261.

It is an arithmetic number, because the mean of its divisors is an integer number (30770740).

Almost surely, 2^122913163 is an apocalyptic number.

122913163 is a deficient number, since it is larger than the sum of its proper divisors (169797).

122913163 is an equidigital number, since it uses as much as digits as its factorization.

122913163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169796.

The product of its digits is 1944, while the sum is 28.

The square root of 122913163 is about 11086.6209008877. The cubic root of 122913163 is about 497.2019213879.

The spelling of 122913163 in words is "one hundred twenty-two million, nine hundred thirteen thousand, one hundred sixty-three".