1143579 has 8 divisors (see below), whose sum is σ = 1531152. Its totient is φ = 759200.

The previous prime is 1143577. The next prime is 1143587. The reversal of 1143579 is 9753411.

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 1143579 - 2¹ = 1143577 is a prime.

1143579 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1143577) 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, 229 + ... + 1529.

It is an arithmetic number, because the mean of its divisors is an integer number (191394).

2^1143579 is an apocalyptic number.

1143579 is a deficient number, since it is larger than the sum of its proper divisors (387573).

1143579 is a wasteful number, since it uses less digits than its factorization.

1143579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597.

The product of its digits is 3780, while the sum is 30.

The square root of 1143579 is about 1069.3825321184. The cubic root of 1143579 is about 104.5735995484.

The spelling of 1143579 in words is "one million, one hundred forty-three thousand, five hundred seventy-nine".