1268906 has 8 divisors (see below), whose sum is σ = 1944000. Its totient is φ = 620908.

The previous prime is 1268899. The next prime is 1268921. The reversal of 1268906 is 6098621.

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

It is a super-2 number, since 2×1268906² = 3220244873672, which contains 22 as substring.

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, 6656 + ... + 6843.

It is an arithmetic number, because the mean of its divisors is an integer number (243000).

2^1268906 is an apocalyptic number.

1268906 is a deficient number, since it is larger than the sum of its proper divisors (675094).

1268906 is a wasteful number, since it uses less digits than its factorization.

1268906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13548.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1268906 is about 1126.4572783732. The cubic root of 1268906 is about 108.2621091336.

The spelling of 1268906 in words is "one million, two hundred sixty-eight thousand, nine hundred six".