1113120113 has 12 divisors (see below), whose sum is σ = 1298138292. Its totient is φ = 951683040.

The previous prime is 1113120103. The next prime is 1113120119. The reversal of 1113120113 is 3110213111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 983888689 + 129231424 = 31367^2 + 11368^2 .

It is not a de Polignac number, because 1113120113 - 2⁶ = 1113120049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1113120119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9158 + ... + 48063.

It is an arithmetic number, because the mean of its divisors is an integer number (108178191).

Almost surely, 2^1113120113 is an apocalyptic number.

It is an amenable number.

1113120113 is a deficient number, since it is larger than the sum of its proper divisors (185018179).

1113120113 is an equidigital number, since it uses as much as digits as its factorization.

1113120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57632 (or 57625 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1113120113 is about 33363.4547521686. The cubic root of 1113120113 is about 1036.3680363942.

Adding to 1113120113 its reverse (3110213111), we get a palindrome (4223333224).

The spelling of 1113120113 in words is "one billion, one hundred thirteen million, one hundred twenty thousand, one hundred thirteen".