112249278 has 12 divisors (see below), whose sum is σ = 243206808. Its totient is φ = 37416420.

The previous prime is 112249259. The next prime is 112249303. The reversal of 112249278 is 872942211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3118018 + ... + 3118053.

It is an arithmetic number, because the mean of its divisors is an integer number (20267234).

Almost surely, 2^112249278 is an apocalyptic number.

112249278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

112249278 is an abundant number, since it is smaller than the sum of its proper divisors (130957530).

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

112249278 is a wasteful number, since it uses less digits than its factorization.

112249278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236079 (or 6236076 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 112249278 is about 10594.7759768671. The cubic root of 112249278 is about 482.3858041828.

It can be divided in two parts, 11224 and 9278, that added together give a palindrome (20502).

The spelling of 112249278 in words is "one hundred twelve million, two hundred forty-nine thousand, two hundred seventy-eight".