102747 has 8 divisors (see below), whose sum is σ = 141840. Its totient is φ = 66080.

The previous prime is 102701. The next prime is 102761. The reversal of 102747 is 747201.

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

It is a cyclic number.

It is not a de Polignac number, because 102747 - 2¹⁰ = 101723 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 102747.

It is not an unprimeable number, because it can be changed into a prime (102797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 677.

It is an arithmetic number, because the mean of its divisors is an integer number (17730).

2¹⁰²⁷⁴⁷ is an apocalyptic number.

102747 is a deficient number, since it is larger than the sum of its proper divisors (39093).

102747 is a wasteful number, since it uses less digits than its factorization.

102747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 102747 is about 320.5417289527. The cubic root of 102747 is about 46.8370697604.

Adding to 102747 its reverse (747201), we get a palindrome (849948).

The spelling of 102747 in words is "one hundred two thousand, seven hundred forty-seven", and thus it is an iban number.