1264199 has 2 divisors, whose sum is σ = 1264200. Its totient is φ = 1264198.

The previous prime is 1264189. The next prime is 1264213. The reversal of 1264199 is 9914621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264199 - 2⁸ = 1263943 is a prime.

It is a super-2 number, since 2×1264199² = 3196398223202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632099 + 632100.

It is an arithmetic number, because the mean of its divisors is an integer number (632100).

2^1264199 is an apocalyptic number.

1264199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264199 is an equidigital number, since it uses as much as digits as its factorization.

1264199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The square root of 1264199 is about 1124.3660435997. The cubic root of 1264199 is about 108.1280773624.

The spelling of 1264199 in words is "one million, two hundred sixty-four thousand, one hundred ninety-nine".