1120544 has 36 divisors (see below), whose sum is σ = 2352294. Its totient is φ = 525312.

The previous prime is 1120543. The next prime is 1120547. The reversal of 1120544 is 4450211.

It can be written as a sum of positive squares in only one way, i.e., 976144 + 144400 = 988^2 + 380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11504 + ... + 11600.

2^1120544 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 1120544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176147).

1120544 is an abundant number, since it is smaller than the sum of its proper divisors (1231750).

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

1120544 is an equidigital number, since it uses as much as digits as its factorization.

1120544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1120544 is about 1058.5575090660. The cubic root of 1120544 is about 103.8666931059.

Adding to 1120544 its reverse (4450211), we get a palindrome (5570755).

The spelling of 1120544 in words is "one million, one hundred twenty thousand, five hundred forty-four".