681110 has 8 divisors (see below), whose sum is σ = 1226016. Its totient is φ = 272440.

The previous prime is 681091. The next prime is 681113. The reversal of 681110 is 11186.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681113) by changing a digit.

681110 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34046 + ... + 34065.

It is an arithmetic number, because the mean of its divisors is an integer number (153252).

2⁶⁸¹¹¹⁰ is an apocalyptic number.

681110 is a deficient number, since it is larger than the sum of its proper divisors (544906).

681110 is a wasteful number, since it uses less digits than its factorization.

681110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68118.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 681110 is about 825.2938870487. The cubic root of 681110 is about 87.9844152842.

Adding to 681110 its reverse (11186), we get a palindrome (692296).

The spelling of 681110 in words is "six hundred eighty-one thousand, one hundred ten".