122665596 has 48 divisors (see below), whose sum is σ = 302924160. Its totient is φ = 38525760.

The previous prime is 122665583. The next prime is 122665597. The reversal of 122665596 is 695566221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122665597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43551 + ... + 46281.

It is an arithmetic number, because the mean of its divisors is an integer number (6310920).

Almost surely, 2^122665596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122665596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151462080).

122665596 is an abundant number, since it is smaller than the sum of its proper divisors (180258564).

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

122665596 is a wasteful number, since it uses less digits than its factorization.

122665596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954 (or 2952 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 122665596 is about 11075.4501488653. The cubic root of 122665596 is about 496.8678819755.

The spelling of 122665596 in words is "one hundred twenty-two million, six hundred sixty-five thousand, five hundred ninety-six".