112031989 has 8 divisors (see below), whose sum is σ = 120052800. Its totient is φ = 104170176.

The previous prime is 112031981. The next prime is 112032007. The reversal of 112031989 is 989130211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112031989 - 2³ = 112031981 is a prime.

It is a super-2 number, since 2×112031989² = 25102333118592242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112031981) 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, 38289 + ... + 41110.

It is an arithmetic number, because the mean of its divisors is an integer number (15006600).

Almost surely, 2^112031989 is an apocalyptic number.

It is an amenable number.

112031989 is a deficient number, since it is larger than the sum of its proper divisors (8020811).

112031989 is an equidigital number, since it uses as much as digits as its factorization.

112031989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79499.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 112031989 is about 10584.5164745490. The cubic root of 112031989 is about 482.0743401576.

The spelling of 112031989 in words is "one hundred twelve million, thirty-one thousand, nine hundred eighty-nine".