102508 has 18 divisors (see below), whose sum is σ = 209076. Its totient is φ = 43848.

The previous prime is 102503. The next prime is 102523. The reversal of 102508 is 805201.

It is a happy number.

102508 is nontrivially palindromic in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 102491 and 102500.

It is not an unprimeable number, because it can be changed into a prime (102503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66 + ... + 457.

2¹⁰²⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

102508 is an abundant number, since it is smaller than the sum of its proper divisors (106568).

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

102508 is a wasteful number, since it uses less digits than its factorization.

102508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 102508 is about 320.1687055288. The cubic root of 102508 is about 46.8007256322.

Adding to 102508 its reverse (805201), we get a palindrome (907709).

The spelling of 102508 in words is "one hundred two thousand, five hundred eight".