122635344444 has 24 divisors (see below), whose sum is σ = 287346420480. Its totient is φ = 40707407664.

The previous prime is 122635344439. The next prime is 122635344457. The reversal of 122635344444 is 444443536221.

It is a junction number, because it is equal to n+sod(n) for n = 122635344396 and 122635344405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21377074 + ... + 21382809.

It is an arithmetic number, because the mean of its divisors is an integer number (11972767520).

Almost surely, 2^122635344444 is an apocalyptic number.

It is an amenable number.

122635344444 is an abundant number, since it is smaller than the sum of its proper divisors (164711076036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122635344444 is a wasteful number, since it uses less digits than its factorization.

122635344444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42760129 (or 42760127 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 42.

The spelling of 122635344444 in words is "one hundred twenty-two billion, six hundred thirty-five million, three hundred forty-four thousand, four hundred forty-four".