1320113120 has 24 divisors (see below), whose sum is σ = 3118767624. Its totient is φ = 528045184.

The previous prime is 1320113101. The next prime is 1320113143. The reversal of 1320113120 is 213110231.

It is a super-2 number, since 2×1320113120² = 3485397299192268800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320113095 and 1320113104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4125194 + ... + 4125513.

It is an arithmetic number, because the mean of its divisors is an integer number (129948651).

Almost surely, 2^1320113120 is an apocalyptic number.

1320113120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320113120 is an abundant number, since it is smaller than the sum of its proper divisors (1798654504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320113120 is an equidigital number, since it uses as much as digits as its factorization.

1320113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250722 (or 8250714 counting only the distinct ones).

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

The square root of 1320113120 is about 36333.3609785828. The cubic root of 1320113120 is about 1096.9926450115.

Adding to 1320113120 its reverse (213110231), we get a palindrome (1533223351).

The spelling of 1320113120 in words is "one billion, three hundred twenty million, one hundred thirteen thousand, one hundred twenty".