1113330120 has 128 divisors (see below), whose sum is σ = 3826483200. Its totient is φ = 253852416.

The previous prime is 1113330109. The next prime is 1113330121. The reversal of 1113330120 is 210333111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1113330120.

It is not an unprimeable number, because it can be changed into a prime (1113330121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400977 + ... + 403743.

It is an arithmetic number, because the mean of its divisors is an integer number (29894400).

Almost surely, 2^1113330120 is an apocalyptic number.

1113330120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113330120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913241600).

1113330120 is an abundant number, since it is smaller than the sum of its proper divisors (2713153080).

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

1113330120 is a wasteful number, since it uses less digits than its factorization.

1113330120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267 (or 3263 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1113330120 is about 33366.6018647389. The cubic root of 1113330120 is about 1036.4332078145.

Adding to 1113330120 its reverse (210333111), we get a palindrome (1323663231).

The spelling of 1113330120 in words is "one billion, one hundred thirteen million, three hundred thirty thousand, one hundred twenty".