1123104 has 24 divisors (see below), whose sum is σ = 2948400. Its totient is φ = 374336.

The previous prime is 1123093. The next prime is 1123127. The reversal of 1123104 is 4013211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1123104² = 2522725189632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1123104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5754 + ... + 5945.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

2^1123104 is an apocalyptic number.

It is an amenable number.

1123104 is an abundant number, since it is smaller than the sum of its proper divisors (1825296).

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

1123104 is a wasteful number, since it uses less digits than its factorization.

1123104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11712 (or 11704 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1123104 is about 1059.7660119102. The cubic root of 1123104 is about 103.9457310553.

Adding to 1123104 its reverse (4013211), we get a palindrome (5136315).

The spelling of 1123104 in words is "one million, one hundred twenty-three thousand, one hundred four".