1161199 has 6 divisors (see below), whose sum is σ = 1257576. Its totient is φ = 1071720.

The previous prime is 1161169. The next prime is 1161203. The reversal of 1161199 is 9911611.

It is not a de Polignac number, because 1161199 - 2¹³ = 1153007 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 (1161169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3267 + ... + 3604.

It is an arithmetic number, because the mean of its divisors is an integer number (209596).

2^1161199 is an apocalyptic number.

1161199 is a deficient number, since it is larger than the sum of its proper divisors (96377).

1161199 is an equidigital number, since it uses as much as digits as its factorization.

1161199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897 (or 6884 counting only the distinct ones).

The product of its digits is 486, while the sum is 28.

The square root of 1161199 is about 1077.5894394434. The cubic root of 1161199 is about 105.1079464316.

The spelling of 1161199 in words is "one million, one hundred sixty-one thousand, one hundred ninety-nine".