1299299 has 2 divisors, whose sum is σ = 1299300. Its totient is φ = 1299298.

The previous prime is 1299289. The next prime is 1299317. The reversal of 1299299 is 9929921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1299299 - 2⁴ = 1299283 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1299209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649649 + 649650.

It is an arithmetic number, because the mean of its divisors is an integer number (649650).

2^1299299 is an apocalyptic number.

1299299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299299 is an equidigital number, since it uses as much as digits as its factorization.

1299299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 41.

The square root of 1299299 is about 1139.8679748111. The cubic root of 1299299 is about 109.1196676915.

The spelling of 1299299 in words is "one million, two hundred ninety-nine thousand, two hundred ninety-nine".