102447 has 6 divisors (see below), whose sum is σ = 147992. Its totient is φ = 68292.

The previous prime is 102437. The next prime is 102451. The reversal of 102447 is 744201.

It is a happy number.

It is not a de Polignac number, because 102447 - 2⁸ = 102191 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 (102407) 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, 5683 + ... + 5700.

2¹⁰²⁴⁴⁷ is an apocalyptic number.

102447 is a deficient number, since it is larger than the sum of its proper divisors (45545).

102447 is a wasteful number, since it uses less digits than its factorization.

102447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11389 (or 11386 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 102447 is about 320.0734290753. The cubic root of 102447 is about 46.7914404683.

Adding to 102447 its reverse (744201), we get a palindrome (846648).

The spelling of 102447 in words is "one hundred two thousand, four hundred forty-seven", and thus it is an iban number.