122557431163 has 4 divisors (see below), whose sum is σ = 122598713160. Its totient is φ = 122516149168.

The previous prime is 122557431121. The next prime is 122557431173. The reversal of 122557431163 is 361134755221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361134755221 = 179 ⋅2017512599.

It is a cyclic number.

It is not a de Polignac number, because 122557431163 - 2²⁵ = 122523876731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122557431173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20636545 + ... + 20642482.

It is an arithmetic number, because the mean of its divisors is an integer number (30649678290).

Almost surely, 2^122557431163 is an apocalyptic number.

122557431163 is a deficient number, since it is larger than the sum of its proper divisors (41281997).

122557431163 is an equidigital number, since it uses as much as digits as its factorization.

122557431163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41281996.

The product of its digits is 151200, while the sum is 40.

The spelling of 122557431163 in words is "one hundred twenty-two billion, five hundred fifty-seven million, four hundred thirty-one thousand, one hundred sixty-three".