1131189 has 8 divisors (see below), whose sum is σ = 1520640. Its totient is φ = 747936.

The previous prime is 1131181. The next prime is 1131191. The reversal of 1131189 is 9811311.

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

It is not a de Polignac number, because 1131189 - 2³ = 1131181 is a prime.

1131189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131181) 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, 1104 + ... + 1865.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

2^1131189 is an apocalyptic number.

It is an amenable number.

1131189 is a deficient number, since it is larger than the sum of its proper divisors (389451).

1131189 is a wasteful number, since it uses less digits than its factorization.

1131189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099.

The product of its digits is 216, while the sum is 24.

The square root of 1131189 is about 1063.5736927924. The cubic root of 1131189 is about 104.1945630530.

The spelling of 1131189 in words is "one million, one hundred thirty-one thousand, one hundred eighty-nine".