1143035103 has 24 divisors (see below), whose sum is σ = 1877161392. Its totient is φ = 614740224.

The previous prime is 1143035093. The next prime is 1143035123. The reversal of 1143035103 is 3015303411.

It is not a de Polignac number, because 1143035103 - 2⁶ = 1143035039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1143035103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143035123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226200 + ... + 231197.

It is an arithmetic number, because the mean of its divisors is an integer number (78215058).

Almost surely, 2^1143035103 is an apocalyptic number.

1143035103 is a deficient number, since it is larger than the sum of its proper divisors (734126289).

1143035103 is a wasteful number, since it uses less digits than its factorization.

1143035103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457431 (or 457424 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1143035103 is about 33808.8021526939. The cubic root of 1143035103 is about 1045.5701818801.

Adding to 1143035103 its reverse (3015303411), we get a palindrome (4158338514).

The spelling of 1143035103 in words is "one billion, one hundred forty-three million, thirty-five thousand, one hundred three".