102001027 has 2 divisors, whose sum is σ = 102001028. Its totient is φ = 102001026.

The previous prime is 102001007. The next prime is 102001043. The reversal of 102001027 is 720100201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102001027 - 2¹¹ = 101998979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102000998 and 102001016.

It is not a weakly prime, because it can be changed into another prime (102001007) 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, 51000513 + 51000514.

It is an arithmetic number, because the mean of its divisors is an integer number (51000514).

Almost surely, 2^102001027 is an apocalyptic number.

102001027 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001027 is an equidigital number, since it uses as much as digits as its factorization.

102001027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 102001027 is about 10099.5557823104. Note that the first 3 decimals coincide. The cubic root of 102001027 is about 467.2344409615.

Adding to 102001027 its reverse (720100201), we get a palindrome (822101228).

The spelling of 102001027 in words is "one hundred two million, one thousand, twenty-seven".