1200046866 has 8 divisors (see below), whose sum is σ = 2400093744. Its totient is φ = 400015620.

The previous prime is 1200046831. The next prime is 1200046867. The reversal of 1200046866 is 6686400021.

It is a happy number.

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

1200046866 is an admirable number.

It is a super-2 number, since 2×1200046866² = 2880224961192843912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200046867) 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, 100003900 + ... + 100003911.

It is an arithmetic number, because the mean of its divisors is an integer number (300011718).

Almost surely, 2^1200046866 is an apocalyptic number.

1200046866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200046866 is a wasteful number, since it uses less digits than its factorization.

1200046866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200007816.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1200046866 is about 34641.6925972159. The cubic root of 1200046866 is about 1062.6724030460.

Adding to 1200046866 its reverse (6686400021), we get a palindrome (7886446887).

The spelling of 1200046866 in words is "one billion, two hundred million, forty-six thousand, eight hundred sixty-six".