102103201 has 2 divisors, whose sum is σ = 102103202. Its totient is φ = 102103200.

The previous prime is 102103189. The next prime is 102103219. The reversal of 102103201 is 102301201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93103201 + 9000000 = 9649^2 + 3000^2 .

It is an emirp because it is prime and its reverse (102301201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102103201 - 2¹³ = 102095009 is a prime.

It is not a weakly prime, because it can be changed into another prime (102103291) 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, 51051600 + 51051601.

It is an arithmetic number, because the mean of its divisors is an integer number (51051601).

Almost surely, 2^102103201 is an apocalyptic number.

It is an amenable number.

102103201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102103201 is an equidigital number, since it uses as much as digits as its factorization.

102103201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102103201 is about 10104.6128575023. The cubic root of 102103201 is about 467.3903978245.

Adding to 102103201 its reverse (102301201), we get a palindrome (204404402).

The spelling of 102103201 in words is "one hundred two million, one hundred three thousand, two hundred one".