1113120988 has 12 divisors (see below), whose sum is σ = 2226242032. Its totient is φ = 477051840.

The previous prime is 1113120977. The next prime is 1113120989. The reversal of 1113120988 is 8890213111.

It is a happy number.

1113120988 is an admirable number.

It is a super-2 number, since 2×1113120988² = 2478076667852192288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113120989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19877133 + ... + 19877188.

Almost surely, 2^1113120988 is an apocalyptic number.

It is an amenable number.

1113120988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1113120988 is a wasteful number, since it uses less digits than its factorization.

1113120988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39754332 (or 39754330 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 1113120988 is about 33363.4678653164. The cubic root of 1113120988 is about 1036.3683079497.

The spelling of 1113120988 in words is "one billion, one hundred thirteen million, one hundred twenty thousand, nine hundred eighty-eight".