102820606 has 16 divisors (see below), whose sum is σ = 176394240. Its totient is φ = 44033400.

The previous prime is 102820591. The next prime is 102820667. The reversal of 102820606 is 606028201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34275 + ... + 37153.

It is an arithmetic number, because the mean of its divisors is an integer number (11024640).

Almost surely, 2^102820606 is an apocalyptic number.

102820606 is a deficient number, since it is larger than the sum of its proper divisors (73573634).

102820606 is a wasteful number, since it uses less digits than its factorization.

102820606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 102820606 is about 10140.0496054013. The cubic root of 102820606 is about 468.4825148653.

Adding to 102820606 its reverse (606028201), we get a palindrome (708848807).

The spelling of 102820606 in words is "one hundred two million, eight hundred twenty thousand, six hundred six".