1161799 has 4 divisors (see below), whose sum is σ = 1212336. Its totient is φ = 1111264.

The previous prime is 1161791. The next prime is 1161829. The reversal of 1161799 is 9971611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1161799 - 2³ = 1161791 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161791) 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 in 3 ways as a sum of consecutive naturals, for example, 25234 + ... + 25279.

It is an arithmetic number, because the mean of its divisors is an integer number (303084).

2^1161799 is an apocalyptic number.

1161799 is a deficient number, since it is larger than the sum of its proper divisors (50537).

1161799 is an equidigital number, since it uses as much as digits as its factorization.

1161799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50536.

The product of its digits is 3402, while the sum is 34.

The square root of 1161799 is about 1077.8678026549. The cubic root of 1161799 is about 105.1260466622.

The spelling of 1161799 in words is "one million, one hundred sixty-one thousand, seven hundred ninety-nine".