102127 has 4 divisors (see below), whose sum is σ = 103600. Its totient is φ = 100656.

The previous prime is 102121. The next prime is 102139. The reversal of 102127 is 721201.

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

It is a cyclic number.

It is not a de Polignac number, because 102127 - 2⁷ = 101999 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121) 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, 627 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (25900).

2¹⁰²¹²⁷ is an apocalyptic number.

102127 is a deficient number, since it is larger than the sum of its proper divisors (1473).

102127 is an equidigital number, since it uses as much as digits as its factorization.

102127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 102127 is about 319.5731528148. The cubic root of 102127 is about 46.7426709321.

Adding to 102127 its reverse (721201), we get a palindrome (823328).

The spelling of 102127 in words is "one hundred two thousand, one hundred twenty-seven", and thus it is an iban number.