102200240249 has 2 divisors, whose sum is σ = 102200240250. Its totient is φ = 102200240248.

The previous prime is 102200240237. The next prime is 102200240273. The reversal of 102200240249 is 942042002201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81202201600 + 20998038649 = 284960^2 + 144907^2 .

It is an emirp because it is prime and its reverse (942042002201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102200240249 - 2⁸ = 102200239993 is a prime.

It is not a weakly prime, because it can be changed into another prime (102200260249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100120124 + 51100120125.

It is an arithmetic number, because the mean of its divisors is an integer number (51100120125).

Almost surely, 2^102200240249 is an apocalyptic number.

It is an amenable number.

102200240249 is a deficient number, since it is larger than the sum of its proper divisors (1).

102200240249 is an equidigital number, since it uses as much as digits as its factorization.

102200240249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 102200240249 in words is "one hundred two billion, two hundred million, two hundred forty thousand, two hundred forty-nine".