120338784 has 120 divisors (see below), whose sum is σ = 374868648. Its totient is φ = 37739520.

The previous prime is 120338749. The next prime is 120338789. The reversal of 120338784 is 487833021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120338789) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42699 + ... + 45429.

Almost surely, 2^120338784 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 120338784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187434324).

120338784 is an abundant number, since it is smaller than the sum of its proper divisors (254529864).

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

120338784 is a wasteful number, since it uses less digits than its factorization.

120338784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770 (or 2753 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 120338784 is about 10969.9035547264. The cubic root of 120338784 is about 493.7061527265.

The spelling of 120338784 in words is "one hundred twenty million, three hundred thirty-eight thousand, seven hundred eighty-four".