2126685 has 16 divisors (see below), whose sum is σ = 3712320. Its totient is φ = 1031040.

The previous prime is 2126681. The next prime is 2126687. The reversal of 2126685 is 5866212.

2126685 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 2126685 - 2² = 2126681 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126681) 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 15 ways as a sum of consecutive naturals, for example, 6280 + ... + 6609.

It is an arithmetic number, because the mean of its divisors is an integer number (232020).

2^2126685 is an apocalyptic number.

It is an amenable number.

2126685 is a deficient number, since it is larger than the sum of its proper divisors (1585635).

2126685 is a wasteful number, since it uses less digits than its factorization.

2126685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12908.

The product of its digits is 5760, while the sum is 30.

The square root of 2126685 is about 1458.3158094185. The cubic root of 2126685 is about 128.5980518060.

The spelling of 2126685 in words is "two million, one hundred twenty-six thousand, six hundred eighty-five".