1123041103 has 2 divisors, whose sum is σ = 1123041104. Its totient is φ = 1123041102.

The previous prime is 1123041083. The next prime is 1123041137. The reversal of 1123041103 is 3011403211.

It is a weak prime.

It is an emirp because it is prime and its reverse (3011403211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123041103 - 2¹⁷ = 1122910031 is a prime.

It is a super-2 number, since 2×1123041103² = 2522442638054913218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123041173) 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, 561520551 + 561520552.

It is an arithmetic number, because the mean of its divisors is an integer number (561520552).

Almost surely, 2^1123041103 is an apocalyptic number.

1123041103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123041103 is an equidigital number, since it uses as much as digits as its factorization.

1123041103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1123041103 is about 33511.8054273416. The cubic root of 1123041103 is about 1039.4379060080.

Adding to 1123041103 its reverse (3011403211), we get a palindrome (4134444314).

The spelling of 1123041103 in words is "one billion, one hundred twenty-three million, forty-one thousand, one hundred three".