122272596 has 18 divisors (see below), whose sum is σ = 309078042. Its totient is φ = 40757520.

The previous prime is 122272589. The next prime is 122272597. The reversal of 122272596 is 695272221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 91470096 + 30802500 = 9564^2 + 5550^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3396461 = 122272596 / (1 + 2 + 2 + 2 + 7 + 2 + 5 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 122272596.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122272597) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1698195 + ... + 1698266.

Almost surely, 2^122272596 is an apocalyptic number.

It is an amenable number.

122272596 is an abundant number, since it is smaller than the sum of its proper divisors (186805446).

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

122272596 is a wasteful number, since it uses less digits than its factorization.

122272596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396471 (or 3396466 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 122272596 is about 11057.6939729765. The cubic root of 122272596 is about 496.3366871596.

The spelling of 122272596 in words is "one hundred twenty-two million, two hundred seventy-two thousand, five hundred ninety-six".