122972444 has 48 divisors (see below), whose sum is σ = 257983488. Its totient is φ = 50147328.

The previous prime is 122972417. The next prime is 122972453. The reversal of 122972444 is 444279221.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 165137 + ... + 165879.

It is an arithmetic number, because the mean of its divisors is an integer number (5374656).

Almost surely, 2^122972444 is an apocalyptic number.

122972444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122972444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128991744).

122972444 is an abundant number, since it is smaller than the sum of its proper divisors (135011044).

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

122972444 is a wasteful number, since it uses less digits than its factorization.

122972444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1032 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 122972444 is about 11089.2941163989. The cubic root of 122972444 is about 497.2818420114.

It can be divided in two parts, 12297 and 2444, that added together give a palindrome (14741).

The spelling of 122972444 in words is "one hundred twenty-two million, nine hundred seventy-two thousand, four hundred forty-four".