1189163 has 2 divisors, whose sum is σ = 1189164. Its totient is φ = 1189162.

The previous prime is 1189159. The next prime is 1189171. The reversal of 1189163 is 3619811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1189163 - 2² = 1189159 is a prime.

It is not a weakly prime, because it can be changed into another prime (1189193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594581 + 594582.

It is an arithmetic number, because the mean of its divisors is an integer number (594582).

2^1189163 is an apocalyptic number.

1189163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1189163 is an equidigital number, since it uses as much as digits as its factorization.

1189163 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1189163 is about 1090.4875056597. The cubic root of 1189163 is about 105.9449993531.

The spelling of 1189163 in words is "one million, one hundred eighty-nine thousand, one hundred sixty-three".