1123944 has 16 divisors (see below), whose sum is σ = 2809920. Its totient is φ = 374640.

The previous prime is 1123943. The next prime is 1123951. The reversal of 1123944 is 4493211.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 46831 = 1123944 / (1 + 1 + 2 + 3 + 9 + 4 + 4).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1123943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23392 + ... + 23439.

It is an arithmetic number, because the mean of its divisors is an integer number (175620).

2^1123944 is an apocalyptic number.

It is an amenable number.

1123944 is an abundant number, since it is smaller than the sum of its proper divisors (1685976).

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

1123944 is a wasteful number, since it uses less digits than its factorization.

1123944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46840 (or 46836 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1123944 is about 1060.1622517332. The cubic root of 1123944 is about 103.9716392095.

The spelling of 1123944 in words is "one million, one hundred twenty-three thousand, nine hundred forty-four".