112188078 has 40 divisors (see below), whose sum is σ = 252900648. Its totient is φ = 37170576.

The previous prime is 112188031. The next prime is 112188127. The reversal of 112188078 is 870881211.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26025 + ... + 30027.

Almost surely, 2^112188078 is an apocalyptic number.

112188078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112188078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126450324).

112188078 is an abundant number, since it is smaller than the sum of its proper divisors (140712570).

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

112188078 is a wasteful number, since it uses less digits than its factorization.

112188078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 4181 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 36.

The square root of 112188078 is about 10591.8873672259. The cubic root of 112188078 is about 482.2981202391.

The spelling of 112188078 in words is "one hundred twelve million, one hundred eighty-eight thousand, seventy-eight".