102427 has 4 divisors (see below), whose sum is σ = 110320. Its totient is φ = 94536.

The previous prime is 102409. The next prime is 102433. The reversal of 102427 is 724201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102427 - 2⁷ = 102299 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 102427.

It is not an unprimeable number, because it can be changed into a prime (102407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927 + ... + 3952.

It is an arithmetic number, because the mean of its divisors is an integer number (27580).

2¹⁰²⁴²⁷ is an apocalyptic number.

102427 is a deficient number, since it is larger than the sum of its proper divisors (7893).

102427 is an equidigital number, since it uses as much as digits as its factorization.

102427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 102427 is about 320.0421847195. The cubic root of 102427 is about 46.7883953500.

Adding to 102427 its reverse (724201), we get a palindrome (826628).

It can be divided in two parts, 102 and 427, that added together give a square (529 = 23²).

The spelling of 102427 in words is "one hundred two thousand, four hundred twenty-seven", and thus it is an iban number.