11126239 has 2 divisors, whose sum is σ = 11126240. Its totient is φ = 11126238.

The previous prime is 11126209. The next prime is 11126249. The reversal of 11126239 is 93262111.

It is a strong prime.

It is an emirp because it is prime and its reverse (93262111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11126239 - 2⁹ = 11125727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11126209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5563119 + 5563120.

It is an arithmetic number, because the mean of its divisors is an integer number (5563120).

Almost surely, 2^11126239 is an apocalyptic number.

11126239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11126239 is an equidigital number, since it uses as much as digits as its factorization.

11126239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

The square root of 11126239 is about 3335.6017448131. The cubic root of 11126239 is about 223.2455418411.

The spelling of 11126239 in words is "eleven million, one hundred twenty-six thousand, two hundred thirty-nine".