102782 has 8 divisors (see below), whose sum is σ = 163296. Its totient is φ = 48352.

The previous prime is 102769. The next prime is 102793. The reversal of 102782 is 287201.

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

It is a congruent number.

It is an unprimeable number.

102782 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (20412).

2¹⁰²⁷⁸² is an apocalyptic number.

102782 is a deficient number, since it is larger than the sum of its proper divisors (60514).

102782 is a wasteful number, since it uses less digits than its factorization.

102782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 102782 is about 320.5963193800. The cubic root of 102782 is about 46.8423873896.

Adding to 102782 its reverse (287201), we get a palindrome (389983).

The spelling of 102782 in words is "one hundred two thousand, seven hundred eighty-two".