1123053049 has 2 divisors, whose sum is σ = 1123053050. Its totient is φ = 1123053048.

The previous prime is 1123053047. The next prime is 1123053073. The reversal of 1123053049 is 9403503211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1058331024 + 64722025 = 32532^2 + 8045^2 .

It is an emirp because it is prime and its reverse (9403503211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123053049 - 2¹ = 1123053047 is a prime.

It is a super-2 number, since 2×1123053049² = 2522496301736392802, which contains 22 as substring.

Together with 1123053047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1123053047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561526524 + 561526525.

It is an arithmetic number, because the mean of its divisors is an integer number (561526525).

Almost surely, 2^1123053049 is an apocalyptic number.

It is an amenable number.

1123053049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123053049 is an equidigital number, since it uses as much as digits as its factorization.

1123053049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1123053049 is about 33511.9836625646. The cubic root of 1123053049 is about 1039.4415915606.

The spelling of 1123053049 in words is "one billion, one hundred twenty-three million, fifty-three thousand, forty-nine".