112991884 has 12 divisors (see below), whose sum is σ = 200118744. Its totient is φ = 55815104.

The previous prime is 112991881. The next prime is 112991887. The reversal of 112991884 is 488199211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112991881) and next prime (112991887).

It is a self number, because there is not a number n which added to its sum of digits gives 112991884.

It is not an unprimeable number, because it can be changed into a prime (112991881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169837 + ... + 170500.

It is an arithmetic number, because the mean of its divisors is an integer number (16676562).

Almost surely, 2^112991884 is an apocalyptic number.

It is an amenable number.

112991884 is a deficient number, since it is larger than the sum of its proper divisors (87126860).

112991884 is a wasteful number, since it uses less digits than its factorization.

112991884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340424 (or 340422 counting only the distinct ones).

The product of its digits is 41472, while the sum is 43.

The square root of 112991884 is about 10629.7640613515. The cubic root of 112991884 is about 483.4472379452.

The spelling of 112991884 in words is "one hundred twelve million, nine hundred ninety-one thousand, eight hundred eighty-four".