112805 has 16 divisors (see below), whose sum is σ = 169344. Its totient is φ = 70080.

The previous prime is 112799. The next prime is 112807. The reversal of 112805 is 508211.

It is not a de Polignac number, because 112805 - 2⁶ = 112741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112807) 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, 239 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (10584).

2¹¹²⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

112805 is a deficient number, since it is larger than the sum of its proper divisors (56539).

112805 is a wasteful number, since it uses less digits than its factorization.

112805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 112805 is about 335.8645560341. The cubic root of 112805 is about 48.3180556814.

The spelling of 112805 in words is "one hundred twelve thousand, eight hundred five".