102056655 has 16 divisors (see below), whose sum is σ = 168922080. Its totient is φ = 52553088.

The previous prime is 102056653. The next prime is 102056677. The reversal of 102056655 is 556650201.

It is not a de Polignac number, because 102056655 - 2¹ = 102056653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102056653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116872 + ... + 117741.

It is an arithmetic number, because the mean of its divisors is an integer number (10557630).

Almost surely, 2^102056655 is an apocalyptic number.

102056655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102056655 is a deficient number, since it is larger than the sum of its proper divisors (66865425).

102056655 is a wasteful number, since it uses less digits than its factorization.

102056655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234650.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 102056655 is about 10102.3093894416. The cubic root of 102056655 is about 467.3193636162.

It can be divided in two parts, 1020 and 56655, that added together give a palindrome (57675).

The spelling of 102056655 in words is "one hundred two million, fifty-six thousand, six hundred fifty-five".