112117820 has 12 divisors (see below), whose sum is σ = 235447464. Its totient is φ = 44847120.

The previous prime is 112117787. The next prime is 112117823. The reversal of 112117820 is 28711211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112117823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2802926 + ... + 2802965.

It is an arithmetic number, because the mean of its divisors is an integer number (19620622).

Almost surely, 2^112117820 is an apocalyptic number.

112117820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112117820 is an abundant number, since it is smaller than the sum of its proper divisors (123329644).

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

112117820 is a wasteful number, since it uses less digits than its factorization.

112117820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605900 (or 5605898 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 112117820 is about 10588.5702528717. The cubic root of 112117820 is about 482.1974191724.

The spelling of 112117820 in words is "one hundred twelve million, one hundred seventeen thousand, eight hundred twenty".