112820681 has 8 divisors (see below), whose sum is σ = 117956544. Its totient is φ = 107704080.

The previous prime is 112820663. The next prime is 112820683. The reversal of 112820681 is 186028211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112820681 - 2²² = 108626377 is a prime.

It is a super-2 number, since 2×112820681² = 25457012122607522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112820683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7910 + ... + 16976.

It is an arithmetic number, because the mean of its divisors is an integer number (14744568).

Almost surely, 2^112820681 is an apocalyptic number.

It is an amenable number.

112820681 is a deficient number, since it is larger than the sum of its proper divisors (5135863).

112820681 is an equidigital number, since it uses as much as digits as its factorization.

112820681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9631.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 112820681 is about 10621.7080076605. The cubic root of 112820681 is about 483.2029447199.

Adding to 112820681 its reverse (186028211), we get a palindrome (298848892).

The spelling of 112820681 in words is "one hundred twelve million, eight hundred twenty thousand, six hundred eighty-one".