1159799 has 8 divisors (see below), whose sum is σ = 1200960. Its totient is φ = 1119456.

The previous prime is 1159789. The next prime is 1159811. The reversal of 1159799 is 9979511.

1159799 = 80² + 81² + ... + 158².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1159799 - 2¹² = 1155703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4049 + ... + 4325.

It is an arithmetic number, because the mean of its divisors is an integer number (150120).

2^1159799 is an apocalyptic number.

1159799 is a deficient number, since it is larger than the sum of its proper divisors (41161).

1159799 is an equidigital number, since it uses as much as digits as its factorization.

1159799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its digits is 25515, while the sum is 41.

The square root of 1159799 is about 1076.9396454769. The cubic root of 1159799 is about 105.0656882995.

The spelling of 1159799 in words is "one million, one hundred fifty-nine thousand, seven hundred ninety-nine".