102605206 has 32 divisors (see below), whose sum is σ = 181077120. Its totient is φ = 43099200.

The previous prime is 102605203. The next prime is 102605221. The reversal of 102605206 is 602506201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102605203) 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, 14145 + ... + 20131.

It is an arithmetic number, because the mean of its divisors is an integer number (5658660).

Almost surely, 2^102605206 is an apocalyptic number.

102605206 is a deficient number, since it is larger than the sum of its proper divisors (78471914).

102605206 is a wasteful number, since it uses less digits than its factorization.

102605206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 102605206 is about 10129.4227871088. The cubic root of 102605206 is about 468.1551431241.

The spelling of 102605206 in words is "one hundred two million, six hundred five thousand, two hundred six".