102055 has 4 divisors (see below), whose sum is σ = 122472. Its totient is φ = 81640.

The previous prime is 102043. The next prime is 102059. The reversal of 102055 is 550201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550201 = 73 ⋅7537.

It is not a de Polignac number, because 102055 - 2⁵ = 102023 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102059) 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, 10201 + ... + 10210.

It is an arithmetic number, because the mean of its divisors is an integer number (30618).

2¹⁰²⁰⁵⁵ is an apocalyptic number.

102055 is a deficient number, since it is larger than the sum of its proper divisors (20417).

102055 is an equidigital number, since it uses as much as digits as its factorization.

102055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20416.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 102055 is about 319.4604826892. The cubic root of 102055 is about 46.7316837510.

Adding to 102055 its reverse (550201), we get a palindrome (652256).

The spelling of 102055 in words is "one hundred two thousand, fifty-five".