2126659 has 2 divisors, whose sum is σ = 2126660. Its totient is φ = 2126658.

The previous prime is 2126639. The next prime is 2126681. The reversal of 2126659 is 9566212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2126659 - 2⁵ = 2126627 is a prime.

2126659 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2126659.

It is not a weakly prime, because it can be changed into another prime (2126639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063329 + 1063330.

It is an arithmetic number, because the mean of its divisors is an integer number (1063330).

2^2126659 is an apocalyptic number.

2126659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126659 is an equidigital number, since it uses as much as digits as its factorization.

2126659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 2126659 is about 1458.3068949984. The cubic root of 2126659 is about 128.5975277411.

The spelling of 2126659 in words is "two million, one hundred twenty-six thousand, six hundred fifty-nine".