122804784 has 60 divisors (see below), whose sum is σ = 346770216. Its totient is φ = 40567296.

The previous prime is 122804767. The next prime is 122804791. The reversal of 122804784 is 487408221.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12499 + ... + 20045.

Almost surely, 2^122804784 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 122804784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173385108).

122804784 is an abundant number, since it is smaller than the sum of its proper divisors (223965432).

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

122804784 is a wasteful number, since it uses less digits than its factorization.

122804784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674 (or 7665 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 122804784 is about 11081.7319945936. The cubic root of 122804784 is about 497.0557420540.

The spelling of 122804784 in words is "one hundred twenty-two million, eight hundred four thousand, seven hundred eighty-four".