1143824 has 40 divisors (see below), whose sum is σ = 2479008. Its totient is φ = 506880.

The previous prime is 1143817. The next prime is 1143829. The reversal of 1143824 is 4283411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143824.

It is not an unprimeable number, because it can be changed into a prime (1143829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11744 + ... + 11840.

2^1143824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239504).

1143824 is an abundant number, since it is smaller than the sum of its proper divisors (1335184).

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

1143824 is a wasteful number, since it uses less digits than its factorization.

1143824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1143824 is about 1069.4970780699. The cubic root of 1143824 is about 104.5810669534.

The spelling of 1143824 in words is "one million, one hundred forty-three thousand, eight hundred twenty-four".