120013103 has 24 divisors (see below), whose sum is σ = 147547008. Its totient is φ = 97134576.

The previous prime is 120013099. The next prime is 120013111. The reversal of 120013103 is 301310021.

It is not a de Polignac number, because 120013103 - 2² = 120013099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120013193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92900 + ... + 94182.

It is an arithmetic number, because the mean of its divisors is an integer number (6147792).

Almost surely, 2^120013103 is an apocalyptic number.

120013103 is a deficient number, since it is larger than the sum of its proper divisors (27533905).

120013103 is a wasteful number, since it uses less digits than its factorization.

120013103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 120013103 is about 10955.0492011675. The cubic root of 120013103 is about 493.2603668665.

Adding to 120013103 its reverse (301310021), we get a palindrome (421323124).

The spelling of 120013103 in words is "one hundred twenty million, thirteen thousand, one hundred three".