681180 has 24 divisors (see below), whose sum is σ = 1907472. Its totient is φ = 181632.

The previous prime is 681179. The next prime is 681221. The reversal of 681180 is 81186.

681180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 681180.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5617 + ... + 5736.

It is an arithmetic number, because the mean of its divisors is an integer number (79478).

2⁶⁸¹¹⁸⁰ is an apocalyptic number.

681180 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

681180 is an abundant number, since it is smaller than the sum of its proper divisors (1226292).

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

681180 is a wasteful number, since it uses less digits than its factorization.

681180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11365 (or 11363 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 681180 is about 825.3362950943. The cubic root of 681180 is about 87.9874293339.

It can be divided in two parts, 681 and 180, that added together give a triangular number (861 = T₄₁).

The spelling of 681180 in words is "six hundred eighty-one thousand, one hundred eighty".