112478891 has 16 divisors (see below), whose sum is σ = 130140864. Its totient is φ = 95224704.

The previous prime is 112478837. The next prime is 112478903. The reversal of 112478891 is 198874211.

It is a cyclic number.

It is not a de Polignac number, because 112478891 - 2²² = 108284587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112478801) 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, 354665 + ... + 354981.

It is an arithmetic number, because the mean of its divisors is an integer number (8133804).

Almost surely, 2^112478891 is an apocalyptic number.

112478891 is a deficient number, since it is larger than the sum of its proper divisors (17661973).

112478891 is a wasteful number, since it uses less digits than its factorization.

112478891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its digits is 32256, while the sum is 41.

The square root of 112478891 is about 10605.6065833124. The cubic root of 112478891 is about 482.7144970580.

The spelling of 112478891 in words is "one hundred twelve million, four hundred seventy-eight thousand, eight hundred ninety-one".