1200799 has 2 divisors, whose sum is σ = 1200800. Its totient is φ = 1200798.

The previous prime is 1200779. The next prime is 1200809. The reversal of 1200799 is 9970021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200799 - 2¹¹ = 1198751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200739) 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, 600399 + 600400.

It is an arithmetic number, because the mean of its divisors is an integer number (600400).

2^1200799 is an apocalyptic number.

1200799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200799 is an equidigital number, since it uses as much as digits as its factorization.

1200799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1200799 is about 1095.8097462607. The cubic root of 1200799 is about 106.2894368022.

The spelling of 1200799 in words is "one million, two hundred thousand, seven hundred ninety-nine".