112178889 has 12 divisors (see below), whose sum is σ = 169081536. Its totient is φ = 71534232.

The previous prime is 112178867. The next prime is 112178897. The reversal of 112178889 is 988871211.

It is a happy number.

It is not a de Polignac number, because 112178889 - 2⁷ = 112178761 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112178809) 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 11 ways as a sum of consecutive naturals, for example, 270757 + ... + 271170.

It is an arithmetic number, because the mean of its divisors is an integer number (14090128).

Almost surely, 2^112178889 is an apocalyptic number.

It is an amenable number.

112178889 is a deficient number, since it is larger than the sum of its proper divisors (56902647).

112178889 is a wasteful number, since it uses less digits than its factorization.

112178889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541956 (or 541953 counting only the distinct ones).

The product of its digits is 64512, while the sum is 45.

The square root of 112178889 is about 10591.4535829602. The cubic root of 112178889 is about 482.2849519996.

The spelling of 112178889 in words is "one hundred twelve million, one hundred seventy-eight thousand, eight hundred eighty-nine".