1163099 has 4 divisors (see below), whose sum is σ = 1329264. Its totient is φ = 996936.

The previous prime is 1163093. The next prime is 1163111. The reversal of 1163099 is 9903611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9903611 = 139 ⋅71249.

It is a cyclic number.

It is not a de Polignac number, because 1163099 - 2⁴ = 1163083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83072 + ... + 83085.

It is an arithmetic number, because the mean of its divisors is an integer number (332316).

2^1163099 is an apocalyptic number.

1163099 is a deficient number, since it is larger than the sum of its proper divisors (166165).

1163099 is an equidigital number, since it uses as much as digits as its factorization.

1163099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166164.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1163099 is about 1078.4706764674. The cubic root of 1163099 is about 105.1652424608.

The spelling of 1163099 in words is "one million, one hundred sixty-three thousand, ninety-nine".