1268866 has 16 divisors (see below), whose sum is σ = 1995840. Its totient is φ = 604240.

The previous prime is 1268849. The next prime is 1268867. The reversal of 1268866 is 6688621.

It is a super-2 number, since 2×1268866² = 3220041851912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1268867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7515 + ... + 7681.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

2^1268866 is an apocalyptic number.

1268866 is a deficient number, since it is larger than the sum of its proper divisors (726974).

1268866 is a wasteful number, since it uses less digits than its factorization.

1268866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

The product of its digits is 27648, while the sum is 37.

The square root of 1268866 is about 1126.4395234543. The cubic root of 1268866 is about 108.2609715317.

The spelling of 1268866 in words is "one million, two hundred sixty-eight thousand, eight hundred sixty-six".