1142706589 has 4 divisors (see below), whose sum is σ = 1158801120. Its totient is φ = 1126612060.

The previous prime is 1142706563. The next prime is 1142706599. The reversal of 1142706589 is 9856072411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142706589 - 2⁹ = 1142706077 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 (1142706559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8047159 + ... + 8047300.

It is an arithmetic number, because the mean of its divisors is an integer number (289700280).

Almost surely, 2^1142706589 is an apocalyptic number.

It is an amenable number.

1142706589 is a deficient number, since it is larger than the sum of its proper divisors (16094531).

1142706589 is an equidigital number, since it uses as much as digits as its factorization.

1142706589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16094530.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1142706589 is about 33803.9433942255. The cubic root of 1142706589 is about 1045.4700049175.

The spelling of 1142706589 in words is "one billion, one hundred forty-two million, seven hundred six thousand, five hundred eighty-nine".