1113051120 has 40 divisors (see below), whose sum is σ = 3450459216. Its totient is φ = 296813568.

The previous prime is 1113051113. The next prime is 1113051127. The reversal of 1113051120 is 211503111.

It is an interprime number because it is at equal distance from previous prime (1113051113) and next prime (1113051127).

It is a tau number, because it is divible by the number of its divisors (40).

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 1113051120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113051127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2318617 + ... + 2319096.

Almost surely, 2^1113051120 is an apocalyptic number.

1113051120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113051120 is an abundant number, since it is smaller than the sum of its proper divisors (2337408096).

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

1113051120 is a wasteful number, since it uses less digits than its factorization.

1113051120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637729 (or 4637723 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1113051120 is about 33362.4207754773. The cubic root of 1113051120 is about 1036.3466240247.

Adding to 1113051120 its reverse (211503111), we get a palindrome (1324554231).

The spelling of 1113051120 in words is "one billion, one hundred thirteen million, fifty-one thousand, one hundred twenty".