120321320 has 32 divisors (see below), whose sum is σ = 309398400. Its totient is φ = 41252928.

The previous prime is 120321307. The next prime is 120321337. The reversal of 120321320 is 23123021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120321295 and 120321304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214580 + ... + 215139.

It is an arithmetic number, because the mean of its divisors is an integer number (9668700).

Almost surely, 2^120321320 is an apocalyptic number.

120321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120321320 is an abundant number, since it is smaller than the sum of its proper divisors (189077080).

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

120321320 is a wasteful number, since it uses less digits than its factorization.

120321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429737 (or 429733 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120321320 is about 10969.1075297856. The cubic root of 120321320 is about 493.6822687630.

Adding to 120321320 its reverse (23123021), we get a palindrome (143444341).

The spelling of 120321320 in words is "one hundred twenty million, three hundred twenty-one thousand, three hundred twenty".