1163189 has 2 divisors, whose sum is σ = 1163190. Its totient is φ = 1163188.

The previous prime is 1163177. The next prime is 1163207. The reversal of 1163189 is 9813611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067089 + 96100 = 1033^2 + 310^2 .

It is an emirp because it is prime and its reverse (9813611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1163189 - 2¹⁶ = 1097653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581594 + 581595.

It is an arithmetic number, because the mean of its divisors is an integer number (581595).

2^1163189 is an apocalyptic number.

It is an amenable number.

1163189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163189 is an equidigital number, since it uses as much as digits as its factorization.

1163189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The square root of 1163189 is about 1078.5124014122. The cubic root of 1163189 is about 105.1679549349.

The spelling of 1163189 in words is "one million, one hundred sixty-three thousand, one hundred eighty-nine".