2112855 has 16 divisors (see below), whose sum is σ = 3425280. Its totient is φ = 1111968.

The previous prime is 2112841. The next prime is 2112863. The reversal of 2112855 is 5582112.

2112855 is nontrivially palindromic in base 14.

2112855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2112855 - 2⁷ = 2112727 is a prime.

2112855 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 294 + ... + 2076.

It is an arithmetic number, because the mean of its divisors is an integer number (214080).

2^2112855 is an apocalyptic number.

2112855 is a deficient number, since it is larger than the sum of its proper divisors (1312425).

2112855 is a wasteful number, since it uses less digits than its factorization.

2112855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its digits is 800, while the sum is 24.

The square root of 2112855 is about 1453.5663039573. The cubic root of 2112855 is about 128.3186842596.

Adding to 2112855 its reverse (5582112), we get a palindrome (7694967).

The spelling of 2112855 in words is "two million, one hundred twelve thousand, eight hundred fifty-five".