102868841 has 2 divisors, whose sum is σ = 102868842. Its totient is φ = 102868840.

The previous prime is 102868783. The next prime is 102868867. The reversal of 102868841 is 148868201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57441241 + 45427600 = 7579^2 + 6740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102868841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102868795 and 102868804.

It is not a weakly prime, because it can be changed into another prime (102868141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51434420 + 51434421.

It is an arithmetic number, because the mean of its divisors is an integer number (51434421).

Almost surely, 2^102868841 is an apocalyptic number.

It is an amenable number.

102868841 is a deficient number, since it is larger than the sum of its proper divisors (1).

102868841 is an equidigital number, since it uses as much as digits as its factorization.

102868841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 102868841 is about 10142.4277665656. The cubic root of 102868841 is about 468.5557612773. Note that the first 3 decimals are identical.

The spelling of 102868841 in words is "one hundred two million, eight hundred sixty-eight thousand, eight hundred forty-one".