120040321 has 4 divisors (see below), whose sum is σ = 123284692. Its totient is φ = 116795952.

The previous prime is 120040267. The next prime is 120040357. The reversal of 120040321 is 123040021.

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 57456400 + 62583921 = 7580^2 + 7911^2 .

It is a cyclic number.

It is not a de Polignac number, because 120040321 - 2⁹ = 120039809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120041321) 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, 1622130 + ... + 1622203.

It is an arithmetic number, because the mean of its divisors is an integer number (30821173).

Almost surely, 2^120040321 is an apocalyptic number.

It is an amenable number.

120040321 is a deficient number, since it is larger than the sum of its proper divisors (3244371).

120040321 is an equidigital number, since it uses as much as digits as its factorization.

120040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244370.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 120040321 is about 10956.2913889692. The cubic root of 120040321 is about 493.2976532003.

Adding to 120040321 its reverse (123040021), we get a palindrome (243080342).

The spelling of 120040321 in words is "one hundred twenty million, forty thousand, three hundred twenty-one".