112505857 has 4 divisors (see below), whose sum is σ = 117397440. Its totient is φ = 107614276.

The previous prime is 112505849. The next prime is 112505873. The reversal of 112505857 is 758505211.

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 112505857 - 2³ = 112505849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112505837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445757 + ... + 2445802.

It is an arithmetic number, because the mean of its divisors is an integer number (29349360).

Almost surely, 2^112505857 is an apocalyptic number.

It is an amenable number.

112505857 is a deficient number, since it is larger than the sum of its proper divisors (4891583).

112505857 is an equidigital number, since it uses as much as digits as its factorization.

112505857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4891582.

The product of its (nonzero) digits is 14000, while the sum is 34.

The square root of 112505857 is about 10606.8778158325. The cubic root of 112505857 is about 482.7530697446.

The spelling of 112505857 in words is "one hundred twelve million, five hundred five thousand, eight hundred fifty-seven".