1197799 has 2 divisors, whose sum is σ = 1197800. Its totient is φ = 1197798.

The previous prime is 1197767. The next prime is 1197821. The reversal of 1197799 is 9977911.

It is a strong prime.

It is an emirp because it is prime and its reverse (9977911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1197799 - 2⁵ = 1197767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1197709) 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, 598899 + 598900.

It is an arithmetic number, because the mean of its divisors is an integer number (598900).

2^1197799 is an apocalyptic number.

1197799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197799 is an equidigital number, since it uses as much as digits as its factorization.

1197799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35721, while the sum is 43.

The square root of 1197799 is about 1094.4400394722. The cubic root of 1197799 is about 106.2008473918.

The spelling of 1197799 in words is "one million, one hundred ninety-seven thousand, seven hundred ninety-nine".