1211339 has 2 divisors, whose sum is σ = 1211340. Its totient is φ = 1211338.

The previous prime is 1211333. The next prime is 1211381. The reversal of 1211339 is 9331121.

It is a weak prime.

It is an emirp because it is prime and its reverse (9331121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1211339 - 2⁸ = 1211083 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1211339.

It is not a weakly prime, because it can be changed into another prime (1211333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605669 + 605670.

It is an arithmetic number, because the mean of its divisors is an integer number (605670).

2^1211339 is an apocalyptic number.

1211339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211339 is an equidigital number, since it uses as much as digits as its factorization.

1211339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 20.

The square root of 1211339 is about 1100.6084680757. The cubic root of 1211339 is about 106.5995161119.

The spelling of 1211339 in words is "one million, two hundred eleven thousand, three hundred thirty-nine".