1163144 has 16 divisors (see below), whose sum is σ = 2192400. Its totient is φ = 578512.

The previous prime is 1163143. The next prime is 1163147. The reversal of 1163144 is 4413611.

It is not an unprimeable number, because it can be changed into a prime (1163143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567 + ... + 2985.

It is an arithmetic number, because the mean of its divisors is an integer number (137025).

2^1163144 is an apocalyptic number.

It is an amenable number.

1163144 is a deficient number, since it is larger than the sum of its proper divisors (1029256).

1163144 is a wasteful number, since it uses less digits than its factorization.

1163144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 768 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1163144 is about 1078.4915391416. The cubic root of 1163144 is about 105.1665987153.

Adding to 1163144 its reverse (4413611), we get a palindrome (5576755).

The spelling of 1163144 in words is "one million, one hundred sixty-three thousand, one hundred forty-four".