2126911 has 2 divisors, whose sum is σ = 2126912. Its totient is φ = 2126910.

The previous prime is 2126903. The next prime is 2126923. The reversal of 2126911 is 1196212.

2126911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2126911 - 2³ = 2126903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126951) 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 as a sum of consecutive naturals, namely, 1063455 + 1063456.

It is an arithmetic number, because the mean of its divisors is an integer number (1063456).

2^2126911 is an apocalyptic number.

2126911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126911 is an equidigital number, since it uses as much as digits as its factorization.

2126911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 22.

The square root of 2126911 is about 1458.3932940054. The cubic root of 2126911 is about 128.6026069595.

The spelling of 2126911 in words is "two million, one hundred twenty-six thousand, nine hundred eleven".