1163288 has 16 divisors (see below), whose sum is σ = 2492880. Its totient is φ = 498528.

The previous prime is 1163273. The next prime is 1163311. The reversal of 1163288 is 8823611.

It is a self number, because there is not a number n which added to its sum of digits gives 1163288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10331 + ... + 10442.

It is an arithmetic number, because the mean of its divisors is an integer number (155805).

2^1163288 is an apocalyptic number.

It is an amenable number.

1163288 is an abundant number, since it is smaller than the sum of its proper divisors (1329592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163288 is a wasteful number, since it uses less digits than its factorization.

1163288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20786 (or 20782 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 1163288 is about 1078.5582969872. The cubic root of 1163288 is about 105.1709384948.

Adding to 1163288 its reverse (8823611), we get a palindrome (9986899).

The spelling of 1163288 in words is "one million, one hundred sixty-three thousand, two hundred eighty-eight".