1112997888 has 272 divisors, whose sum is σ = 3586102560. Its totient is φ = 339738624.

The previous prime is 1112997883. The next prime is 1112997913. The reversal of 1112997888 is 8887992111.

It is a tau number, because it is divible by the number of its divisors (272).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112997883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30081006 + ... + 30081042.

Almost surely, 2^1112997888 is an apocalyptic number.

1112997888 is a gapful number since it is divisible by the number (18) 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 1112997888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793051280).

1112997888 is an abundant number, since it is smaller than the sum of its proper divisors (2473104672).

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

1112997888 is an frugal number, since it uses more digits than its factorization.

1112997888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 59 counting only the distinct ones).

The product of its digits is 580608, while the sum is 54.

The square root of 1112997888 is about 33361.6229821033. The cubic root of 1112997888 is about 1036.3301025664.

The spelling of 1112997888 in words is "one billion, one hundred twelve million, nine hundred ninety-seven thousand, eight hundred eighty-eight".