120113123 has 4 divisors (see below), whose sum is σ = 129352608. Its totient is φ = 110873640.

The previous prime is 120113113. The next prime is 120113159. The reversal of 120113123 is 321311021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321311021 = 12391 ⋅25931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120113123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120113098 and 120113107.

It is not an unprimeable number, because it can be changed into a prime (120113113) 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, 4619723 + ... + 4619748.

It is an arithmetic number, because the mean of its divisors is an integer number (32338152).

Almost surely, 2^120113123 is an apocalyptic number.

120113123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120113123 is a deficient number, since it is larger than the sum of its proper divisors (9239485).

120113123 is an equidigital number, since it uses as much as digits as its factorization.

120113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9239484.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 120113123 is about 10959.6132687244. The cubic root of 120113123 is about 493.3973580265.

Adding to 120113123 its reverse (321311021), we get a palindrome (441424144).

The spelling of 120113123 in words is "one hundred twenty million, one hundred thirteen thousand, one hundred twenty-three".