1123506244 has 12 divisors (see below), whose sum is σ = 2247012544. Its totient is φ = 481502664.

The previous prime is 1123506211. The next prime is 1123506253. The reversal of 1123506244 is 4426053211.

1123506244 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 40125223 = 1123506244 / (1 + 1 + 2 + 3 + 5 + 0 + 6 + 2 + 4 + 4).

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, 20062584 + ... + 20062639.

Almost surely, 2^1123506244 is an apocalyptic number.

1123506244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1123506244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1123506244 is a wasteful number, since it uses less digits than its factorization.

1123506244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40125234 (or 40125232 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1123506244 is about 33518.7446662312. The cubic root of 1123506244 is about 1039.5813909470.

Adding to 1123506244 its reverse (4426053211), we get a palindrome (5549559455).

The spelling of 1123506244 in words is "one billion, one hundred twenty-three million, five hundred six thousand, two hundred forty-four".