102687 has 8 divisors (see below), whose sum is σ = 147504. Its totient is φ = 63168.

The previous prime is 102679. The next prime is 102701. The reversal of 102687 is 786201.

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

It is not a de Polignac number, because 102687 - 2³ = 102679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102607) 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, 1278 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (18438).

2¹⁰²⁶⁸⁷ is an apocalyptic number.

102687 is a deficient number, since it is larger than the sum of its proper divisors (44817).

102687 is a wasteful number, since it uses less digits than its factorization.

102687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 102687 is about 320.4481237268. The cubic root of 102687 is about 46.8279510144.

Adding to 102687 its reverse (786201), we get a palindrome (888888).

The spelling of 102687 in words is "one hundred two thousand, six hundred eighty-seven".