102150689 has 2 divisors, whose sum is σ = 102150690. Its totient is φ = 102150688.

The previous prime is 102150677. The next prime is 102150709. The reversal of 102150689 is 986051201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92006464 + 10144225 = 9592^2 + 3185^2 .

It is an emirp because it is prime and its reverse (986051201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102150689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102150619) 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, 51075344 + 51075345.

It is an arithmetic number, because the mean of its divisors is an integer number (51075345).

Almost surely, 2^102150689 is an apocalyptic number.

It is an amenable number.

102150689 is a deficient number, since it is larger than the sum of its proper divisors (1).

102150689 is an equidigital number, since it uses as much as digits as its factorization.

102150689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 102150689 is about 10106.9624022255. The cubic root of 102150689 is about 467.4628473816.

The spelling of 102150689 in words is "one hundred two million, one hundred fifty thousand, six hundred eighty-nine".