1120113312 has 48 divisors (see below), whose sum is σ = 2943027360. Its totient is φ = 373024512.

The previous prime is 1120113299. The next prime is 1120113349. The reversal of 1120113312 is 2133110211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1120113291 and 1120113300.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 111639 + ... + 121257.

It is an arithmetic number, because the mean of its divisors is an integer number (61313070).

Almost surely, 2^1120113312 is an apocalyptic number.

1120113312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120113312 is an abundant number, since it is smaller than the sum of its proper divisors (1822914048).

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

1120113312 is a wasteful number, since it uses less digits than its factorization.

1120113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845 (or 10837 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1120113312 is about 33468.0939403486. The cubic root of 1120113312 is about 1038.5338413256.

Adding to 1120113312 its reverse (2133110211), we get a palindrome (3253223523).

The spelling of 1120113312 in words is "one billion, one hundred twenty million, one hundred thirteen thousand, three hundred twelve".