1123315268 has 12 divisors (see below), whose sum is σ = 1969334892. Its totient is φ = 560648160.

The previous prime is 1123315267. The next prime is 1123315309. The reversal of 1123315268 is 8625133211.

It can be written as a sum of positive squares in 2 ways, for example, as 714385984 + 408929284 = 26728^2 + 20222^2 .

It is not an unprimeable number, because it can be changed into a prime (1123315267) 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, 249863 + ... + 254318.

It is an arithmetic number, because the mean of its divisors is an integer number (164111241).

Almost surely, 2^1123315268 is an apocalyptic number.

It is an amenable number.

1123315268 is a deficient number, since it is larger than the sum of its proper divisors (846019624).

1123315268 is a wasteful number, since it uses less digits than its factorization.

1123315268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504742 (or 504740 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 1123315268 is about 33515.8957511208. The cubic root of 1123315268 is about 1039.5224841846.

Adding to 1123315268 its reverse (8625133211), we get a palindrome (9748448479).

The spelling of 1123315268 in words is "one billion, one hundred twenty-three million, three hundred fifteen thousand, two hundred sixty-eight".