103102081 has 2 divisors, whose sum is σ = 103102082. Its totient is φ = 103102080.

The previous prime is 103102033. The next prime is 103102171. The reversal of 103102081 is 180201301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99181681 + 3920400 = 9959^2 + 1980^2 .

It is a cyclic number.

It is not a de Polignac number, because 103102081 - 2¹⁹ = 102577793 is a prime.

It is a super-2 number, since 2×103102081² = 21260078213061122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103102981) 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, 51551040 + 51551041.

It is an arithmetic number, because the mean of its divisors is an integer number (51551041).

Almost surely, 2^103102081 is an apocalyptic number.

It is an amenable number.

103102081 is a deficient number, since it is larger than the sum of its proper divisors (1).

103102081 is an equidigital number, since it uses as much as digits as its factorization.

103102081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 103102081 is about 10153.9194895370. The cubic root of 103102081 is about 468.9096211114.

Adding to 103102081 its reverse (180201301), we get a palindrome (283303382).

The spelling of 103102081 in words is "one hundred three million, one hundred two thousand, eighty-one".