120032321 has 4 divisors (see below), whose sum is σ = 120232644. Its totient is φ = 119832000.

The previous prime is 120032317. The next prime is 120032327. The reversal of 120032321 is 123230021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67831696 + 52200625 = 8236^2 + 7225^2 .

It is a cyclic number.

It is not a de Polignac number, because 120032321 - 2² = 120032317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120032296 and 120032305.

It is not an unprimeable number, because it can be changed into a prime (120032327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99260 + ... + 100461.

It is an arithmetic number, because the mean of its divisors is an integer number (30058161).

Almost surely, 2^120032321 is an apocalyptic number.

It is an amenable number.

120032321 is a deficient number, since it is larger than the sum of its proper divisors (200323).

120032321 is an equidigital number, since it uses as much as digits as its factorization.

120032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200322.

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

The square root of 120032321 is about 10955.9262958456. The cubic root of 120032321 is about 493.2866944689.

Adding to 120032321 its reverse (123230021), we get a palindrome (243262342).

The spelling of 120032321 in words is "one hundred twenty million, thirty-two thousand, three hundred twenty-one".