1117799 has 2 divisors, whose sum is σ = 1117800. Its totient is φ = 1117798.

The previous prime is 1117793. The next prime is 1117811. The reversal of 1117799 is 9977111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1117799 - 2¹² = 1113703 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558899 + 558900.

It is an arithmetic number, because the mean of its divisors is an integer number (558900).

2^1117799 is an apocalyptic number.

1117799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117799 is an equidigital number, since it uses as much as digits as its factorization.

1117799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3969, while the sum is 35.

The square root of 1117799 is about 1057.2601382820. The cubic root of 1117799 is about 103.7818095717.

The spelling of 1117799 in words is "one million, one hundred seventeen thousand, seven hundred ninety-nine".