680112 has 30 divisors (see below), whose sum is σ = 1903772. Its totient is φ = 226656.

The previous prime is 680107. The next prime is 680123. The reversal of 680112 is 211086.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2218 + ... + 2505.

2⁶⁸⁰¹¹² is an apocalyptic number.

It is an amenable number.

680112 is an abundant number, since it is smaller than the sum of its proper divisors (1223660).

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

680112 is a wasteful number, since it uses less digits than its factorization.

680112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737 (or 4728 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 680112 is about 824.6890323025. The cubic root of 680112 is about 87.9414210695.

Adding to 680112 its reverse (211086), we get a palindrome (891198).

The spelling of 680112 in words is "six hundred eighty thousand, one hundred twelve".