2112566 has 8 divisors (see below), whose sum is σ = 3246264. Its totient is φ = 1030480.

The previous prime is 2112541. The next prime is 2112569. The reversal of 2112566 is 6652112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12800 + ... + 12963.

It is an arithmetic number, because the mean of its divisors is an integer number (405783).

2^2112566 is an apocalyptic number.

2112566 is a deficient number, since it is larger than the sum of its proper divisors (1133698).

2112566 is a wasteful number, since it uses less digits than its factorization.

2112566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25806.

The product of its digits is 720, while the sum is 23.

The square root of 2112566 is about 1453.4668898878. The cubic root of 2112566 is about 128.3128334415.

Adding to 2112566 its reverse (6652112), we get a palindrome (8764678).

The spelling of 2112566 in words is "two million, one hundred twelve thousand, five hundred sixty-six".