120324013 has 4 divisors (see below), whose sum is σ = 120347100. Its totient is φ = 120300928.

The previous prime is 120323981. The next prime is 120324041. The reversal of 120324013 is 310423021.

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 65237929 + 55086084 = 8077^2 + 7422^2 .

It is a cyclic number.

It is not a de Polignac number, because 120324013 - 2⁵ = 120323981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120324613) 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, 381 + ... + 15517.

It is an arithmetic number, because the mean of its divisors is an integer number (30086775).

Almost surely, 2^120324013 is an apocalyptic number.

It is an amenable number.

120324013 is a deficient number, since it is larger than the sum of its proper divisors (23087).

120324013 is an equidigital number, since it uses as much as digits as its factorization.

120324013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23086.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 120324013 is about 10969.2302829323. The cubic root of 120324013 is about 493.6859518909.

Adding to 120324013 its reverse (310423021), we get a palindrome (430747034).

The spelling of 120324013 in words is "one hundred twenty million, three hundred twenty-four thousand, thirteen".