102748717 has 2 divisors, whose sum is σ = 102748718. Its totient is φ = 102748716.

The previous prime is 102748693. The next prime is 102748733. The reversal of 102748717 is 717847201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102637161 + 111556 = 10131^2 + 334^2 .

It is a cyclic number.

It is not a de Polignac number, because 102748717 - 2¹⁹ = 102224429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102748757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51374358 + 51374359.

It is an arithmetic number, because the mean of its divisors is an integer number (51374359).

Almost surely, 2^102748717 is an apocalyptic number.

It is an amenable number.

102748717 is a deficient number, since it is larger than the sum of its proper divisors (1).

102748717 is an equidigital number, since it uses as much as digits as its factorization.

102748717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21952, while the sum is 37.

The square root of 102748717 is about 10136.5041804362. The cubic root of 102748717 is about 468.3733065625.

The spelling of 102748717 in words is "one hundred two million, seven hundred forty-eight thousand, seven hundred seventeen".