1121584 has 10 divisors (see below), whose sum is σ = 2173100. Its totient is φ = 560784.

The previous prime is 1121557. The next prime is 1121599. The reversal of 1121584 is 4851211.

1121584 is a modest number, since divided by 1584 gives 112 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35034 + ... + 35065.

It is an arithmetic number, because the mean of its divisors is an integer number (217310).

2^1121584 is an apocalyptic number.

It is an amenable number.

1121584 is a deficient number, since it is larger than the sum of its proper divisors (1051516).

1121584 is an equidigital number, since it uses as much as digits as its factorization.

1121584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70107 (or 70101 counting only the distinct ones).

The product of its digits is 320, while the sum is 22.

The square root of 1121584 is about 1059.0486296672. The cubic root of 1121584 is about 103.8988167766.

Adding to 1121584 its reverse (4851211), we get a palindrome (5972795).

The spelling of 1121584 in words is "one million, one hundred twenty-one thousand, five hundred eighty-four".