102688006 has 4 divisors (see below), whose sum is σ = 154032012. Its totient is φ = 51344002.

The previous prime is 102687979. The next prime is 102688021. The reversal of 102688006 is 600886201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25672000 + ... + 25672003.

It is an arithmetic number, because the mean of its divisors is an integer number (38508003).

Almost surely, 2^102688006 is an apocalyptic number.

102688006 is a deficient number, since it is larger than the sum of its proper divisors (51344006).

102688006 is an equidigital number, since it uses as much as digits as its factorization.

102688006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51344005.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 102688006 is about 10133.5090664587. The cubic root of 102688006 is about 468.2810393465.

The spelling of 102688006 in words is "one hundred two million, six hundred eighty-eight thousand, six".