112878381 has 16 divisors (see below), whose sum is σ = 187642368. Its totient is φ = 58638000.

The previous prime is 112878361. The next prime is 112878391. The reversal of 112878381 is 183878211.

It is not a de Polignac number, because 112878381 - 2⁷ = 112878253 is a prime.

It is a super-2 number, since 2×112878381² = 25483057794362322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112878301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244095 + ... + 244556.

It is an arithmetic number, because the mean of its divisors is an integer number (11727648).

Almost surely, 2^112878381 is an apocalyptic number.

112878381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112878381 is a deficient number, since it is larger than the sum of its proper divisors (74763987).

112878381 is a wasteful number, since it uses less digits than its factorization.

112878381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488672.

The product of its digits is 21504, while the sum is 39.

The square root of 112878381 is about 10624.4237961407. The cubic root of 112878381 is about 483.2853056783.

The spelling of 112878381 in words is "one hundred twelve million, eight hundred seventy-eight thousand, three hundred eighty-one".