102840607 has 2 divisors, whose sum is σ = 102840608. Its totient is φ = 102840606.

The previous prime is 102840593. The next prime is 102840623. The reversal of 102840607 is 706048201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102840607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102840637) 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 as a sum of consecutive naturals, namely, 51420303 + 51420304.

It is an arithmetic number, because the mean of its divisors is an integer number (51420304).

Almost surely, 2^102840607 is an apocalyptic number.

102840607 is a deficient number, since it is larger than the sum of its proper divisors (1).

102840607 is an equidigital number, since it uses as much as digits as its factorization.

102840607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 102840607 is about 10141.0357952233. The cubic root of 102840607 is about 468.5128898119.

Adding to 102840607 its reverse (706048201), we get a palindrome (808888808).

The spelling of 102840607 in words is "one hundred two million, eight hundred forty thousand, six hundred seven".