1230566 has 8 divisors (see below), whose sum is σ = 1858080.
Its totient is φ = 611208.
The previous prime is 1230547. The next prime is 1230571. The reversal of 1230566 is 6650321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1646 + ... + 2273.
It is an arithmetic number, because the mean of its divisors is an integer number (232260).
21230566 is an apocalyptic number.
1230566 is a deficient number, since it is larger than the sum of its proper divisors (627514).
1230566 is a wasteful number, since it uses less digits than its factorization.
1230566 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4078.
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 1230566 is about 1109.3087937991.
The cubic root of 1230566 is about 107.1605590223.
Adding to 1230566 its reverse (6650321), we get a palindrome (7880887).
The spelling of 1230566 in words is "one million, two hundred thirty thousand, five hundred sixty-six".