120321504 has 96 divisors (see below), whose sum is σ = 358525440. Its totient is φ = 39240576.

The previous prime is 120321497. The next prime is 120321517. The reversal of 120321504 is 405123021.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39127 + ... + 42089.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2^120321504 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 120321504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179262720).

120321504 is an abundant number, since it is smaller than the sum of its proper divisors (238203936).

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

120321504 is a wasteful number, since it uses less digits than its factorization.

120321504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3015 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120321504 is about 10969.1159169734. The cubic root of 120321504 is about 493.6825204155.

Adding to 120321504 its reverse (405123021), we get a palindrome (525444525).

The spelling of 120321504 in words is "one hundred twenty million, three hundred twenty-one thousand, five hundred four".