1123315267 has 2 divisors, whose sum is σ = 1123315268. Its totient is φ = 1123315266.

The previous prime is 1123315247. The next prime is 1123315309. The reversal of 1123315267 is 7625133211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123315267 - 2¹⁵ = 1123282499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123315247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561657633 + 561657634.

It is an arithmetic number, because the mean of its divisors is an integer number (561657634).

Almost surely, 2^1123315267 is an apocalyptic number.

1123315267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123315267 is an equidigital number, since it uses as much as digits as its factorization.

1123315267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 1123315267 is about 33515.8957362025. The cubic root of 1123315267 is about 1039.5224838762.

Adding to 1123315267 its reverse (7625133211), we get a palindrome (8748448478).

The spelling of 1123315267 in words is "one billion, one hundred twenty-three million, three hundred fifteen thousand, two hundred sixty-seven".