1123094849 has 2 divisors, whose sum is σ = 1123094850. Its totient is φ = 1123094848.

The previous prime is 1123094831. The next prime is 1123094881. The reversal of 1123094849 is 9484903211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653722624 + 469372225 = 25568^2 + 21665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123094849 is a prime.

It is a super-2 number, since 2×1123094849² = 2522684079700665602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123093849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561547424 + 561547425.

It is an arithmetic number, because the mean of its divisors is an integer number (561547425).

Almost surely, 2^1123094849 is an apocalyptic number.

It is an amenable number.

1123094849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123094849 is an equidigital number, since it uses as much as digits as its factorization.

1123094849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1123094849 is about 33512.6073142631. The cubic root of 1123094849 is about 1039.4544873953.

The spelling of 1123094849 in words is "one billion, one hundred twenty-three million, ninety-four thousand, eight hundred forty-nine".