102245587 has 2 divisors, whose sum is σ = 102245588. Its totient is φ = 102245586.

The previous prime is 102245581. The next prime is 102245617. The reversal of 102245587 is 785542201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102245587 - 2³ = 102245579 is a prime.

It is not a weakly prime, because it can be changed into another prime (102245581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51122793 + 51122794.

It is an arithmetic number, because the mean of its divisors is an integer number (51122794).

Almost surely, 2^102245587 is an apocalyptic number.

102245587 is a deficient number, since it is larger than the sum of its proper divisors (1).

102245587 is an equidigital number, since it uses as much as digits as its factorization.

102245587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 102245587 is about 10111.6559969176. The cubic root of 102245587 is about 467.6075602550.

Adding to 102245587 its reverse (785542201), we get a palindrome (887787788).

The spelling of 102245587 in words is "one hundred two million, two hundred forty-five thousand, five hundred eighty-seven".