2126339 has 2 divisors, whose sum is σ = 2126340. Its totient is φ = 2126338.

The previous prime is 2126329. The next prime is 2126351. The reversal of 2126339 is 9336212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2126339 - 2¹⁶ = 2060803 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2126329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063169 + 1063170.

It is an arithmetic number, because the mean of its divisors is an integer number (1063170).

2^2126339 is an apocalyptic number.

2126339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126339 is an equidigital number, since it uses as much as digits as its factorization.

2126339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 26.

The square root of 2126339 is about 1458.1971745961. The cubic root of 2126339 is about 128.5910773615.

The spelling of 2126339 in words is "two million, one hundred twenty-six thousand, three hundred thirty-nine".