120203113 has 4 divisors (see below), whose sum is σ = 120773008. Its totient is φ = 119633220.

The previous prime is 120203081. The next prime is 120203131. The reversal of 120203113 is 311302021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120203113 - 2⁵ = 120203081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120203093 and 120203102.

It is not an unprimeable number, because it can be changed into a prime (120243113) 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, 284631 + ... + 285052.

It is an arithmetic number, because the mean of its divisors is an integer number (30193252).

Almost surely, 2^120203113 is an apocalyptic number.

It is an amenable number.

120203113 is a deficient number, since it is larger than the sum of its proper divisors (569895).

120203113 is an equidigital number, since it uses as much as digits as its factorization.

120203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569894.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120203113 is about 10963.7180281144. The cubic root of 120203113 is about 493.5205467429.

Adding to 120203113 its reverse (311302021), we get a palindrome (431505134).

The spelling of 120203113 in words is "one hundred twenty million, two hundred three thousand, one hundred thirteen".