1143560903 has 2 divisors, whose sum is σ = 1143560904. Its totient is φ = 1143560902.

The previous prime is 1143560881. The next prime is 1143560921. The reversal of 1143560903 is 3090653411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143560903 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1143560903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143560933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571780451 + 571780452.

It is an arithmetic number, because the mean of its divisors is an integer number (571780452).

Almost surely, 2^1143560903 is an apocalyptic number.

1143560903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143560903 is an equidigital number, since it uses as much as digits as its factorization.

1143560903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1143560903 is about 33816.5773401153. The cubic root of 1143560903 is about 1045.7304792395.

The spelling of 1143560903 in words is "one billion, one hundred forty-three million, five hundred sixty thousand, nine hundred three".