1143275179 has 2 divisors, whose sum is σ = 1143275180. Its totient is φ = 1143275178.

The previous prime is 1143275113. The next prime is 1143275197. The reversal of 1143275179 is 9715723411.

It is a happy number.

Together with next prime (1143275197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143275179 - 2⁷ = 1143275051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143278179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571637589 + 571637590.

It is an arithmetic number, because the mean of its divisors is an integer number (571637590).

Almost surely, 2^1143275179 is an apocalyptic number.

1143275179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143275179 is an equidigital number, since it uses as much as digits as its factorization.

1143275179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 40.

The square root of 1143275179 is about 33812.3524617853. The cubic root of 1143275179 is about 1045.6433784467.

The spelling of 1143275179 in words is "one billion, one hundred forty-three million, two hundred seventy-five thousand, one hundred seventy-nine".