120503113 has 4 divisors (see below), whose sum is σ = 120636880. Its totient is φ = 120369348.

The previous prime is 120503093. The next prime is 120503147. The reversal of 120503113 is 311305021.

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 120503113 - 2²⁵ = 86948681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120503153) 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, 65523 + ... + 67336.

It is an arithmetic number, because the mean of its divisors is an integer number (30159220).

Almost surely, 2^120503113 is an apocalyptic number.

It is an amenable number.

120503113 is a deficient number, since it is larger than the sum of its proper divisors (133767).

120503113 is an equidigital number, since it uses as much as digits as its factorization.

120503113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133766.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 120503113 is about 10977.3909923989. The cubic root of 120503113 is about 493.9307778347.

Adding to 120503113 its reverse (311305021), we get a palindrome (431808134).

The spelling of 120503113 in words is "one hundred twenty million, five hundred three thousand, one hundred thirteen".