1143042113 has 2 divisors, whose sum is σ = 1143042114. Its totient is φ = 1143042112.

The previous prime is 1143042077. The next prime is 1143042119. The reversal of 1143042113 is 3112403411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 914941504 + 228100609 = 30248^2 + 15103^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143042113 - 2⁶ = 1143042049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143042119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571521056 + 571521057.

It is an arithmetic number, because the mean of its divisors is an integer number (571521057).

Almost surely, 2^1143042113 is an apocalyptic number.

It is an amenable number.

1143042113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143042113 is an equidigital number, since it uses as much as digits as its factorization.

1143042113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1143042113 is about 33808.9058237619. The cubic root of 1143042113 is about 1045.5723192983.

Adding to 1143042113 its reverse (3112403411), we get a palindrome (4255445524).

The spelling of 1143042113 in words is "one billion, one hundred forty-three million, forty-two thousand, one hundred thirteen".