102001201 has 2 divisors, whose sum is σ = 102001202. Its totient is φ = 102001200.

The previous prime is 102001199. The next prime is 102001217. The reversal of 102001201 is 102100201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99520576 + 2480625 = 9976^2 + 1575^2 .

It is a cyclic number.

It is not a de Polignac number, because 102001201 - 2¹ = 102001199 is a prime.

Together with 102001199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102001261) 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, 51000600 + 51000601.

It is an arithmetic number, because the mean of its divisors is an integer number (51000601).

Almost surely, 2^102001201 is an apocalyptic number.

It is an amenable number.

102001201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001201 is an equidigital number, since it uses as much as digits as its factorization.

102001201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 102001201 is about 10099.5643965470. The cubic root of 102001201 is about 467.2347066410.

Adding to 102001201 its reverse (102100201), we get a palindrome (204101402).

The spelling of 102001201 in words is "one hundred two million, one thousand, two hundred one".