1143230759 has 8 divisors (see below), whose sum is σ = 1256982528. Its totient is φ = 1031115960.

The previous prime is 1143230749. The next prime is 1143230791. The reversal of 1143230759 is 9570323411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143230759 - 2⁸ = 1143230503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143230749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407777 + ... + 410570.

It is an arithmetic number, because the mean of its divisors is an integer number (157122816).

Almost surely, 2^1143230759 is an apocalyptic number.

1143230759 is a deficient number, since it is larger than the sum of its proper divisors (113751769).

1143230759 is a wasteful number, since it uses less digits than its factorization.

1143230759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818485.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 1143230759 is about 33811.6955948678. The cubic root of 1143230759 is about 1045.6298360435.

The spelling of 1143230759 in words is "one billion, one hundred forty-three million, two hundred thirty thousand, seven hundred fifty-nine".