102539387 has 2 divisors, whose sum is σ = 102539388. Its totient is φ = 102539386.

The previous prime is 102539363. The next prime is 102539399. The reversal of 102539387 is 783935201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102539387 - 2⁶ = 102539323 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102539387.

It is not a weakly prime, because it can be changed into another prime (102539317) 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, 51269693 + 51269694.

It is an arithmetic number, because the mean of its divisors is an integer number (51269694).

Almost surely, 2^102539387 is an apocalyptic number.

102539387 is a deficient number, since it is larger than the sum of its proper divisors (1).

102539387 is an equidigital number, since it uses as much as digits as its factorization.

102539387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 102539387 is about 10126.1733641095. The cubic root of 102539387 is about 468.0550179432.

The spelling of 102539387 in words is "one hundred two million, five hundred thirty-nine thousand, three hundred eighty-seven".