1068681 has 8 divisors (see below), whose sum is σ = 1439424. Its totient is φ = 705200.

The previous prime is 1068677. The next prime is 1068701. The reversal of 1068681 is 1868601.

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 1068681 - 2² = 1068677 is a prime.

It is a super-2 number, since 2×1068681² = 2284158159522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068611) 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, 1461 + ... + 2066.

It is an arithmetic number, because the mean of its divisors is an integer number (179928).

2^1068681 is an apocalyptic number.

It is an amenable number.

1068681 is a deficient number, since it is larger than the sum of its proper divisors (370743).

1068681 is a wasteful number, since it uses less digits than its factorization.

1068681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1068681 is about 1033.7702839606. The cubic root of 1068681 is about 102.2388673185.

The spelling of 1068681 in words is "one million, sixty-eight thousand, six hundred eighty-one".