1131824 has 20 divisors (see below), whose sum is σ = 2214144. Its totient is φ = 560448.

The previous prime is 1131821. The next prime is 1131827. The reversal of 1131824 is 4281311.

It is an interprime number because it is at equal distance from previous prime (1131821) and next prime (1131827).

It is a junction number, because it is equal to n+sod(n) for n = 1131796 and 1131805.

It is not an unprimeable number, because it can be changed into a prime (1131821) 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 3 ways as a sum of consecutive naturals, for example, 1754 + ... + 2310.

2^1131824 is an apocalyptic number.

It is an amenable number.

1131824 is a deficient number, since it is larger than the sum of its proper divisors (1082320).

1131824 is a wasteful number, since it uses less digits than its factorization.

1131824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 686 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 1131824 is about 1063.8721727727. The cubic root of 1131824 is about 104.2140561618.

The spelling of 1131824 in words is "one million, one hundred thirty-one thousand, eight hundred twenty-four".