2112859 has 8 divisors (see below), whose sum is σ = 2423520. Its totient is φ = 1804416.

The previous prime is 2112841. The next prime is 2112863. The reversal of 2112859 is 9582112.

2112859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2112859 - 2⁵ = 2112827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112829) 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 7 ways as a sum of consecutive naturals, for example, 3267 + ... + 3859.

It is an arithmetic number, because the mean of its divisors is an integer number (302940).

2^2112859 is an apocalyptic number.

2112859 is a deficient number, since it is larger than the sum of its proper divisors (310661).

2112859 is an equidigital number, since it uses as much as digits as its factorization.

2112859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its digits is 1440, while the sum is 28.

The square root of 2112859 is about 1453.5676798828. The cubic root of 2112859 is about 128.3187652360.

It can be divided in two parts, 21 and 12859, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 2112859 in words is "two million, one hundred twelve thousand, eight hundred fifty-nine".