1122544 has 20 divisors (see below), whose sum is σ = 2303424. Its totient is φ = 528128.

The previous prime is 1122533. The next prime is 1122551. The reversal of 1122544 is 4452211.

It is a congruent number.

It is an unprimeable number.

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, 1792 + ... + 2335.

2^1122544 is an apocalyptic number.

It is an amenable number.

1122544 is an abundant number, since it is smaller than the sum of its proper divisors (1180880).

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

1122544 is a wasteful number, since it uses less digits than its factorization.

1122544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152 (or 4146 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 1122544 is about 1059.5017697012. The cubic root of 1122544 is about 103.9284517749.

Adding to 1122544 its reverse (4452211), we get a palindrome (5574755).

The spelling of 1122544 in words is "one million, one hundred twenty-two thousand, five hundred forty-four".