102005055 has 16 divisors (see below), whose sum is σ = 181342560. Its totient is φ = 54402624.

The previous prime is 102004997. The next prime is 102005063. The reversal of 102005055 is 550500201.

It is not a de Polignac number, because 102005055 - 2⁹ = 102004543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377662 + ... + 377931.

It is an arithmetic number, because the mean of its divisors is an integer number (11333910).

Almost surely, 2^102005055 is an apocalyptic number.

102005055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102005055 is a deficient number, since it is larger than the sum of its proper divisors (79337505).

102005055 is an equidigital number, since it uses as much as digits as its factorization.

102005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755607 (or 755601 counting only the distinct ones).

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

The square root of 102005055 is about 10099.7551950530. The cubic root of 102005055 is about 467.2405912119.

Adding to 102005055 its reverse (550500201), we get a palindrome (652505256).

The spelling of 102005055 in words is "one hundred two million, five thousand, fifty-five".