103247 has 6 divisors (see below), whose sum is σ = 109368. Its totient is φ = 97284.

The previous prime is 103237. The next prime is 103289. The reversal of 103247 is 742301.

It is a happy number.

It is not a de Polignac number, because 103247 - 2⁴ = 103231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1508 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (18228).

2¹⁰³²⁴⁷ is an apocalyptic number.

103247 is a deficient number, since it is larger than the sum of its proper divisors (6121).

103247 is an frugal number, since it uses more digits than its factorization.

103247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 103247 is about 321.3207120620. The cubic root of 103247 is about 46.9129216097.

Adding to 103247 its reverse (742301), we get a palindrome (845548).

The spelling of 103247 in words is "one hundred three thousand, two hundred forty-seven", and thus it is an iban number.