122456603844 has 45 divisors (see below), whose sum is σ = 320142218781. Its totient is φ = 40816768320.

The previous prime is 122456603831. The next prime is 122456603869. The reversal of 122456603844 is 448306654221.

The square root of 122456603844 is 349938.

It is a perfect power (a square), and thus also a powerful number.

122456603844 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 566 + 0 + 3 + 84 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28379445444 + 94077158400 = 168462^2 + 306720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122456603844.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6289164 + ... + 6308604.

Almost surely, 2^122456603844 is an apocalyptic number.

122456603844 is the 349938-th square number.

It is an amenable number.

122456603844 is an abundant number, since it is smaller than the sum of its proper divisors (197685614937).

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

122456603844 is an frugal number, since it uses more digits than its factorization.

122456603844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38898 (or 19446 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 122456603844 in words is "one hundred twenty-two billion, four hundred fifty-six million, six hundred three thousand, eight hundred forty-four".