1123044 has 48 divisors (see below), whose sum is σ = 2954112. Its totient is φ = 329472.

The previous prime is 1122997. The next prime is 1123051. The reversal of 1123044 is 4403211.

It is a super-2 number, since 2×1123044² = 2522455651872, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3432 + ... + 3744.

It is an arithmetic number, because the mean of its divisors is an integer number (61544).

2^1123044 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 1123044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477056).

1123044 is an abundant number, since it is smaller than the sum of its proper divisors (1831068).

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

1123044 is a wasteful number, since it uses less digits than its factorization.

1123044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1123044 is about 1059.7377033965. The cubic root of 1123044 is about 103.9438799786.

Adding to 1123044 its reverse (4403211), we get a palindrome (5526255).

The spelling of 1123044 in words is "one million, one hundred twenty-three thousand, forty-four".