122604256044 has 96 divisors (see below), whose sum is σ = 333910080000. Its totient is φ = 38828737728.

The previous prime is 122604256007. The next prime is 122604256081. The reversal of 122604256044 is 440652406221.

122604256044 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 0 + 42 + 5 + 604 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (122604256007) and next prime (122604256081).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204487 + ... + 535745.

It is an arithmetic number, because the mean of its divisors is an integer number (3478230000).

Almost surely, 2^122604256044 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 122604256044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166955040000).

122604256044 is an abundant number, since it is smaller than the sum of its proper divisors (211305823956).

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

122604256044 is a wasteful number, since it uses less digits than its factorization.

122604256044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331444 (or 331436 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 122604256044 in words is "one hundred twenty-two billion, six hundred four million, two hundred fifty-six thousand, forty-four".