1123040224 has 48 divisors (see below), whose sum is σ = 2286700416. Its totient is φ = 542361600.

The previous prime is 1123040203. The next prime is 1123040227. The reversal of 1123040224 is 4220403211.

It is a super-2 number, since 2×1123040224² = 2522438689443940352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123040227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849484 + ... + 850804.

It is an arithmetic number, because the mean of its divisors is an integer number (47639592).

Almost surely, 2^1123040224 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 1123040224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143350208).

1123040224 is an abundant number, since it is smaller than the sum of its proper divisors (1163660192).

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

1123040224 is a wasteful number, since it uses less digits than its factorization.

1123040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219 (or 2211 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1123040224 is about 33511.7923125577. The cubic root of 1123040224 is about 1039.4376348199.

Adding to 1123040224 its reverse (4220403211), we get a palindrome (5343443435).

The spelling of 1123040224 in words is "one billion, one hundred twenty-three million, forty thousand, two hundred twenty-four".