103147 has 4 divisors (see below), whose sum is σ = 112536. Its totient is φ = 93760.

The previous prime is 103141. The next prime is 103171. The reversal of 103147 is 741301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741301 = 11 ⋅67391.

It is a cyclic number.

It is not a de Polignac number, because 103147 - 2¹⁵ = 70379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103147.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103147.

It is not an unprimeable number, because it can be changed into a prime (103141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4678 + ... + 4699.

It is an arithmetic number, because the mean of its divisors is an integer number (28134).

2¹⁰³¹⁴⁷ is an apocalyptic number.

103147 is a deficient number, since it is larger than the sum of its proper divisors (9389).

103147 is an equidigital number, since it uses as much as digits as its factorization.

103147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9388.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 103147 is about 321.1650665935. The cubic root of 103147 is about 46.8977708625.

Adding to 103147 its reverse (741301), we get a palindrome (844448).

The spelling of 103147 in words is "one hundred three thousand, one hundred forty-seven", and thus it is an iban number.