112105205 has 4 divisors (see below), whose sum is σ = 134526252. Its totient is φ = 89684160.

The previous prime is 112105177. The next prime is 112105219. The reversal of 112105205 is 502501211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502501211 = 107 ⋅4696273.

It can be written as a sum of positive squares in 2 ways, for example, as 84971524 + 27133681 = 9218^2 + 5209^2 .

It is not a de Polignac number, because 112105205 - 2¹² = 112101109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11210516 + ... + 11210525.

It is an arithmetic number, because the mean of its divisors is an integer number (33631563).

Almost surely, 2^112105205 is an apocalyptic number.

It is an amenable number.

112105205 is a deficient number, since it is larger than the sum of its proper divisors (22421047).

112105205 is an equidigital number, since it uses as much as digits as its factorization.

112105205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22421046.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 112105205 is about 10587.9745466260. The cubic root of 112105205 is about 482.1793335889.

Adding to 112105205 its reverse (502501211), we get a palindrome (614606416).

The spelling of 112105205 in words is "one hundred twelve million, one hundred five thousand, two hundred five".