102502 has 8 divisors (see below), whose sum is σ = 156816. Its totient is φ = 50232.

The previous prime is 102499. The next prime is 102503. The reversal of 102502 is 205201.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 378 + ... + 589.

It is an arithmetic number, because the mean of its divisors is an integer number (19602).

2¹⁰²⁵⁰² is an apocalyptic number.

102502 is a deficient number, since it is larger than the sum of its proper divisors (54314).

102502 is an equidigital number, since it uses as much as digits as its factorization.

102502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 102502 is about 320.1593353316. The cubic root of 102502 is about 46.7998125008.

Adding to 102502 its reverse (205201), we get a palindrome (307703).

The spelling of 102502 in words is "one hundred two thousand, five hundred two".