2123086 has 16 divisors (see below), whose sum is σ = 3669120. Its totient is φ = 902520.

The previous prime is 2123083. The next prime is 2123087. The reversal of 2123086 is 6803212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (229320).

2^2123086 is an apocalyptic number.

2123086 is a deficient number, since it is larger than the sum of its proper divisors (1546034).

2123086 is a wasteful number, since it uses less digits than its factorization.

2123086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2123086 is about 1457.0813292332. The cubic root of 2123086 is about 128.5254684640.

Adding to 2123086 its reverse (6803212), we get a palindrome (8926298).

It can be divided in two parts, 21230 and 86, that added together give a square (21316 = 146²).

The spelling of 2123086 in words is "two million, one hundred twenty-three thousand, eighty-six".