102555 has 24 divisors (see below), whose sum is σ = 185328. Its totient is φ = 52416.

The previous prime is 102551. The next prime is 102559. The reversal of 102555 is 555201.

It is an interprime number because it is at equal distance from previous prime (102551) and next prime (102559).

It is not a de Polignac number, because 102555 - 2² = 102551 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (102551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1909 + ... + 1961.

It is an arithmetic number, because the mean of its divisors is an integer number (7722).

2¹⁰²⁵⁵⁵ is an apocalyptic number.

102555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102555 is a deficient number, since it is larger than the sum of its proper divisors (82773).

102555 is a wasteful number, since it uses less digits than its factorization.

102555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 102555 is about 320.2420959212. The cubic root of 102555 is about 46.8078772627.

Adding to 102555 its reverse (555201), we get a palindrome (657756).

The spelling of 102555 in words is "one hundred two thousand, five hundred fifty-five".