120403344 has 80 divisors (see below), whose sum is σ = 326836224. Its totient is φ = 38121600.

The previous prime is 120403319. The next prime is 120403357. The reversal of 120403344 is 443304021.

It is a self number, because there is not a number n which added to its sum of digits gives 120403344.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 210579 + ... + 211149.

Almost surely, 2^120403344 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 120403344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163418112).

120403344 is an abundant number, since it is smaller than the sum of its proper divisors (206432880).

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

120403344 is a wasteful number, since it uses less digits than its factorization.

120403344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 120403344 is about 10972.8457566850. The cubic root of 120403344 is about 493.7944256560.

Adding to 120403344 its reverse (443304021), we get a palindrome (563707365).

The spelling of 120403344 in words is "one hundred twenty million, four hundred three thousand, three hundred forty-four".