112287990 has 16 divisors (see below), whose sum is σ = 269491248. Its totient is φ = 29943456.

The previous prime is 112287977. The next prime is 112287997. The reversal of 112287990 is 99782211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112287997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871437 + ... + 1871496.

It is an arithmetic number, because the mean of its divisors is an integer number (16843203).

Almost surely, 2^112287990 is an apocalyptic number.

112287990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112287990 is an abundant number, since it is smaller than the sum of its proper divisors (157203258).

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

112287990 is a wasteful number, since it uses less digits than its factorization.

112287990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742943.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 112287990 is about 10596.6027574879. The cubic root of 112287990 is about 482.4412521205.

The spelling of 112287990 in words is "one hundred twelve million, two hundred eighty-seven thousand, nine hundred ninety".