102684866 has 8 divisors (see below), whose sum is σ = 156137484. Its totient is φ = 50639040.

The previous prime is 102684863. The next prime is 102684877. The reversal of 102684866 is 668486201.

102684866 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 95550625 + 7134241 = 9775^2 + 2671^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102684863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351515 + ... + 351806.

Almost surely, 2^102684866 is an apocalyptic number.

102684866 is a deficient number, since it is larger than the sum of its proper divisors (53452618).

102684866 is an equidigital number, since it uses as much as digits as its factorization.

102684866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703396.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 102684866 is about 10133.3541337506. The cubic root of 102684866 is about 468.2762662560.

The spelling of 102684866 in words is "one hundred two million, six hundred eighty-four thousand, eight hundred sixty-six".