112170681 has 12 divisors (see below), whose sum is σ = 185170752. Its totient is φ = 64097496.

The previous prime is 112170673. The next prime is 112170683. The reversal of 112170681 is 186071211.

It is not a de Polignac number, because 112170681 - 2³ = 112170673 is a prime.

It is a super-2 number, since 2×112170681² = 25164523352007522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112170683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 890181 + ... + 890306.

It is an arithmetic number, because the mean of its divisors is an integer number (15430896).

Almost surely, 2^112170681 is an apocalyptic number.

It is an amenable number.

112170681 is a deficient number, since it is larger than the sum of its proper divisors (73000071).

112170681 is a wasteful number, since it uses less digits than its factorization.

112170681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780500 (or 1780497 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 112170681 is about 10591.0660936470. The cubic root of 112170681 is about 482.2731889680.

The spelling of 112170681 in words is "one hundred twelve million, one hundred seventy thousand, six hundred eighty-one".