680102 has 16 divisors (see below), whose sum is σ = 1097712. Its totient is φ = 314880.

The previous prime is 680083. The next prime is 680107. The reversal of 680102 is 201086.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an Ulam number.

680102 is a modest number, since divided by 102 gives 68 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680107) 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, 2702 + ... + 2942.

It is an arithmetic number, because the mean of its divisors is an integer number (68607).

2⁶⁸⁰¹⁰² is an apocalyptic number.

680102 is a deficient number, since it is larger than the sum of its proper divisors (417610).

680102 is a wasteful number, since it uses less digits than its factorization.

680102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 680102 is about 824.6829693888. The cubic root of 680102 is about 87.9409900530.

Adding to 680102 its reverse (201086), we get a palindrome (881188).

It can be divided in two parts, 6 and 80102, that added together give a palindrome (80108).

The spelling of 680102 in words is "six hundred eighty thousand, one hundred two".