1143163 has 4 divisors (see below), whose sum is σ = 1306480. Its totient is φ = 979848.

The previous prime is 1143161. The next prime is 1143167. The reversal of 1143163 is 3613411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3613411 = 401 ⋅9011.

It is a cyclic number.

It is not a de Polignac number, because 1143163 - 2¹ = 1143161 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1143163.

It is not an unprimeable number, because it can be changed into a prime (1143161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81648 + ... + 81661.

It is an arithmetic number, because the mean of its divisors is an integer number (326620).

2^1143163 is an apocalyptic number.

1143163 is a deficient number, since it is larger than the sum of its proper divisors (163317).

1143163 is an equidigital number, since it uses as much as digits as its factorization.

1143163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163316.

The product of its digits is 216, while the sum is 19.

The square root of 1143163 is about 1069.1880096597. The cubic root of 1143163 is about 104.5609177563.

Adding to 1143163 its reverse (3613411), we get a palindrome (4756574).

The spelling of 1143163 in words is "one million, one hundred forty-three thousand, one hundred sixty-three".