1131024 has 20 divisors (see below), whose sum is σ = 2921936. Its totient is φ = 376992.

The previous prime is 1131023. The next prime is 1131047. The reversal of 1131024 is 4201311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1131023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11734 + ... + 11829.

2^1131024 is an apocalyptic number.

It is an amenable number.

1131024 is an abundant number, since it is smaller than the sum of its proper divisors (1790912).

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

1131024 is a wasteful number, since it uses less digits than its factorization.

1131024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23574 (or 23568 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1131024 is about 1063.4961212905. The cubic root of 1131024 is about 104.1894967204.

Adding to 1131024 its reverse (4201311), we get a palindrome (5332335).

The spelling of 1131024 in words is "one million, one hundred thirty-one thousand, twenty-four".