1143043241 has 2 divisors, whose sum is σ = 1143043242. Its totient is φ = 1143043240.

The previous prime is 1143043189. The next prime is 1143043283. The reversal of 1143043241 is 1423403411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1090914841 + 52128400 = 33029^2 + 7220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143043241 - 2¹⁸ = 1142781097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1143043541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571521620 + 571521621.

It is an arithmetic number, because the mean of its divisors is an integer number (571521621).

Almost surely, 2^1143043241 is an apocalyptic number.

It is an amenable number.

1143043241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143043241 is an equidigital number, since it uses as much as digits as its factorization.

1143043241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1143043241 is about 33808.9225057528. The cubic root of 1143043241 is about 1045.5726632358.

Adding to 1143043241 its reverse (1423403411), we get a palindrome (2566446652).

The spelling of 1143043241 in words is "one billion, one hundred forty-three million, forty-three thousand, two hundred forty-one".