1143104791 has 2 divisors, whose sum is σ = 1143104792. Its totient is φ = 1143104790.

The previous prime is 1143104789. The next prime is 1143104827. The reversal of 1143104791 is 1974013411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1143104791 - 2¹ = 1143104789 is a prime.

Together with 1143104789, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143104731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571552395 + 571552396.

It is an arithmetic number, because the mean of its divisors is an integer number (571552396).

Almost surely, 2^1143104791 is an apocalyptic number.

1143104791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143104791 is an equidigital number, since it uses as much as digits as its factorization.

1143104791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1143104791 is about 33809.8327561673. The cubic root of 1143104791 is about 1045.5914300506.

The spelling of 1143104791 in words is "one billion, one hundred forty-three million, one hundred four thousand, seven hundred ninety-one".