1299203 has 2 divisors, whose sum is σ = 1299204. Its totient is φ = 1299202.

The previous prime is 1299187. The next prime is 1299209. The reversal of 1299203 is 3029921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1299203 - 2⁴ = 1299187 is a 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 good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649601 + 649602.

It is an arithmetic number, because the mean of its divisors is an integer number (649602).

2^1299203 is an apocalyptic number.

1299203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299203 is an equidigital number, since it uses as much as digits as its factorization.

1299203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1299203 is about 1139.8258638933. The cubic root of 1299203 is about 109.1169801536.

The spelling of 1299203 in words is "one million, two hundred ninety-nine thousand, two hundred three".