102066113 has 4 divisors (see below), whose sum is σ = 108070020. Its totient is φ = 96062208.

The previous prime is 102066103. The next prime is 102066127. The reversal of 102066113 is 311660201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58874929 + 43191184 = 7673^2 + 6572^2 .

It is a cyclic number.

It is not a de Polignac number, because 102066113 - 2⁶ = 102066049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102066103) 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 3 ways as a sum of consecutive naturals, for example, 3001928 + ... + 3001961.

It is an arithmetic number, because the mean of its divisors is an integer number (27017505).

Almost surely, 2^102066113 is an apocalyptic number.

It is an amenable number.

102066113 is a deficient number, since it is larger than the sum of its proper divisors (6003907).

102066113 is an equidigital number, since it uses as much as digits as its factorization.

102066113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003906.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 102066113 is about 10102.7774893838. Note that the first 3 decimals coincide. The cubic root of 102066113 is about 467.3337992909. Note that the first 3 decimals are identical.

The spelling of 102066113 in words is "one hundred two million, sixty-six thousand, one hundred thirteen".