122724122183 has 4 divisors (see below), whose sum is σ = 132164439288. Its totient is φ = 113283805080.

The previous prime is 122724122107. The next prime is 122724122197. The reversal of 122724122183 is 381221427221.

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-122724122183 is a prime.

It is a super-2 number, since 2×122724122183² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122724122083) 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, 4720158533 + ... + 4720158558.

It is an arithmetic number, because the mean of its divisors is an integer number (33041109822).

Almost surely, 2^122724122183 is an apocalyptic number.

122724122183 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122724122183 is a deficient number, since it is larger than the sum of its proper divisors (9440317105).

122724122183 is an equidigital number, since it uses as much as digits as its factorization.

122724122183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9440317104.

The product of its digits is 21504, while the sum is 35.

The spelling of 122724122183 in words is "one hundred twenty-two billion, seven hundred twenty-four million, one hundred twenty-two thousand, one hundred eighty-three".