112193681 has 4 divisors (see below), whose sum is σ = 115812864. Its totient is φ = 108574500.

The previous prime is 112193639. The next prime is 112193687. The reversal of 112193681 is 186391211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112193681 - 2⁶ = 112193617 is a prime.

It is a super-2 number, since 2×112193681² = 25174844112659522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112193687) 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, 1809545 + ... + 1809606.

It is an arithmetic number, because the mean of its divisors is an integer number (28953216).

Almost surely, 2^112193681 is an apocalyptic number.

It is an amenable number.

112193681 is a deficient number, since it is larger than the sum of its proper divisors (3619183).

112193681 is an equidigital number, since it uses as much as digits as its factorization.

112193681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619182.

The product of its digits is 2592, while the sum is 32.

The square root of 112193681 is about 10592.1518588057. The cubic root of 112193681 is about 482.3061492306.

The spelling of 112193681 in words is "one hundred twelve million, one hundred ninety-three thousand, six hundred eighty-one".