1143122103 has 24 divisors (see below), whose sum is σ = 1732648320. Its totient is φ = 724851600.

The previous prime is 1143122093. The next prime is 1143122129. The reversal of 1143122103 is 3012213411.

1143122103 is a `hidden beast` number, since 11 + 431 + 221 + 0 + 3 = 666.

It is not a de Polignac number, because 1143122103 - 2¹⁰ = 1143121079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143122503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21628 + ... + 52478.

It is an arithmetic number, because the mean of its divisors is an integer number (72193680).

Almost surely, 2^1143122103 is an apocalyptic number.

1143122103 is a deficient number, since it is larger than the sum of its proper divisors (589526217).

1143122103 is a wasteful number, since it uses less digits than its factorization.

1143122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31059 (or 31056 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1143122103 is about 33810.0887753937. The cubic root of 1143122103 is about 1045.5967084198.

Adding to 1143122103 its reverse (3012213411), we get a palindrome (4155335514).

The spelling of 1143122103 in words is "one billion, one hundred forty-three million, one hundred twenty-two thousand, one hundred three".