1299211 has 2 divisors, whose sum is σ = 1299212. Its totient is φ = 1299210.

The previous prime is 1299209. The next prime is 1299223. The reversal of 1299211 is 1129921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1299211 - 2¹ = 1299209 is a prime.

Together with 1299209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1299811) 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, 649605 + 649606.

It is an arithmetic number, because the mean of its divisors is an integer number (649606).

2^1299211 is an apocalyptic number.

1299211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299211 is an equidigital number, since it uses as much as digits as its factorization.

1299211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 25.

The square root of 1299211 is about 1139.8293731958. The cubic root of 1299211 is about 109.1172041201.

The spelling of 1299211 in words is "one million, two hundred ninety-nine thousand, two hundred eleven".