1133189 has 2 divisors, whose sum is σ = 1133190. Its totient is φ = 1133188.

The previous prime is 1133183. The next prime is 1133191. The reversal of 1133189 is 9813311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113025 + 20164 = 1055^2 + 142^2 .

It is an emirp because it is prime and its reverse (9813311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1133189 - 2⁴ = 1133173 is a prime.

Together with 1133191, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₈₁₁₈ and since 1133189 and 88118 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566594 + 566595.

It is an arithmetic number, because the mean of its divisors is an integer number (566595).

2^1133189 is an apocalyptic number.

It is an amenable number.

1133189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133189 is an equidigital number, since it uses as much as digits as its factorization.

1133189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 26.

The square root of 1133189 is about 1064.5135039068. The cubic root of 1133189 is about 104.2559340035.

The spelling of 1133189 in words is "one million, one hundred thirty-three thousand, one hundred eighty-nine".