122053155839 has 4 divisors (see below), whose sum is σ = 122055934224. Its totient is φ = 122050377456.

The previous prime is 122053155811. The next prime is 122053155893. The reversal of 122053155839 is 938551350221.

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

It is a cyclic number.

It is not a de Polignac number, because 122053155839 - 2²⁰ = 122052107263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122053155839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122053155439) 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, 1322222 + ... + 1411515.

It is an arithmetic number, because the mean of its divisors is an integer number (30513983556).

Almost surely, 2^122053155839 is an apocalyptic number.

122053155839 is a deficient number, since it is larger than the sum of its proper divisors (2778385).

122053155839 is an equidigital number, since it uses as much as digits as its factorization.

122053155839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778384.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 122053155839 in words is "one hundred twenty-two billion, fifty-three million, one hundred fifty-five thousand, eight hundred thirty-nine".