102718241 has 2 divisors, whose sum is σ = 102718242. Its totient is φ = 102718240.

The previous prime is 102718229. The next prime is 102718277. The reversal of 102718241 is 142817201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102718225 + 16 = 10135^2 + 4^2 .

It is an emirp because it is prime and its reverse (142817201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102718241 - 2⁶ = 102718177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102718241.

It is not a weakly prime, because it can be changed into another prime (102718201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51359120 + 51359121.

It is an arithmetic number, because the mean of its divisors is an integer number (51359121).

Almost surely, 2^102718241 is an apocalyptic number.

It is an amenable number.

102718241 is a deficient number, since it is larger than the sum of its proper divisors (1).

102718241 is an equidigital number, since it uses as much as digits as its factorization.

102718241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 102718241 is about 10135.0007893438. Note that the first 3 decimals coincide. The cubic root of 102718241 is about 468.3269943658.

The spelling of 102718241 in words is "one hundred two million, seven hundred eighteen thousand, two hundred forty-one".