102802 has 12 divisors (see below), whose sum is σ = 179550. Its totient is φ = 44016.

The previous prime is 102797. The next prime is 102811. The reversal of 102802 is 208201.

It can be written as a sum of positive squares in only one way, i.e., 67081 + 35721 = 259^2 + 189^2 .

It is an Ulam number.

It is an unprimeable number.

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, 427 + ... + 622.

2¹⁰²⁸⁰² is an apocalyptic number.

102802 is a deficient number, since it is larger than the sum of its proper divisors (76748).

102802 is a wasteful number, since it uses less digits than its factorization.

102802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 102802 is about 320.6275097368. The cubic root of 102802 is about 46.8454254928.

The spelling of 102802 in words is "one hundred two thousand, eight hundred two".