122313144 has 16 divisors (see below), whose sum is σ = 305782920. Its totient is φ = 40771040.

The previous prime is 122313137. The next prime is 122313167. The reversal of 122313144 is 441313221.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 122313144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548167 + ... + 2548214.

Almost surely, 2^122313144 is an apocalyptic number.

It is an amenable number.

122313144 is an abundant number, since it is smaller than the sum of its proper divisors (183469776).

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

122313144 is a wasteful number, since it uses less digits than its factorization.

122313144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096390 (or 5096386 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 122313144 is about 11059.5272955041. The cubic root of 122313144 is about 496.3915461015.

Adding to 122313144 its reverse (441313221), we get a palindrome (563626365).

The spelling of 122313144 in words is "one hundred twenty-two million, three hundred thirteen thousand, one hundred forty-four".