1161163 has 2 divisors, whose sum is σ = 1161164. Its totient is φ = 1161162.

The previous prime is 1161143. The next prime is 1161169. The reversal of 1161163 is 3611611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161163 - 2¹⁷ = 1030091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1161163.

It is not a weakly prime, because it can be changed into another prime (1161169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580581 + 580582.

It is an arithmetic number, because the mean of its divisors is an integer number (580582).

2^1161163 is an apocalyptic number.

1161163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161163 is an equidigital number, since it uses as much as digits as its factorization.

1161163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 19.

The square root of 1161163 is about 1077.5727353641. The cubic root of 1161163 is about 105.1068602195.

Adding to 1161163 its reverse (3611611), we get a palindrome (4772774).

The spelling of 1161163 in words is "one million, one hundred sixty-one thousand, one hundred sixty-three".