2126269 has 2 divisors, whose sum is σ = 2126270. Its totient is φ = 2126268.

The previous prime is 2126249. The next prime is 2126273. The reversal of 2126269 is 9626212.

2126269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1923769 + 202500 = 1387^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126269 - 2⁷ = 2126141 is a prime.

It is a super-2 number, since 2×2126269² = 9042039720722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126249) 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, 1063134 + 1063135.

It is an arithmetic number, because the mean of its divisors is an integer number (1063135).

2^2126269 is an apocalyptic number.

It is an amenable number.

2126269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126269 is an equidigital number, since it uses as much as digits as its factorization.

2126269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 2126269 is about 1458.1731721575. The cubic root of 2126269 is about 128.5896662547.

The spelling of 2126269 in words is "two million, one hundred twenty-six thousand, two hundred sixty-nine".