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1010201 is a prime number
BaseRepresentation
bin11110110101000011001
31220022201212
43312220121
5224311301
633352505
711405123
oct3665031
91808655
101010201
1162aa85
12408735
13294a6a
141c4213
1514e4bb
hexf6a19

1010201 has 2 divisors, whose sum is σ = 1010202. Its totient is φ = 1010200.

The previous prime is 1010179. The next prime is 1010203. The reversal of 1010201 is 1020101.

Adding to 1010201 its reverse (1020101), we get a palindrome (2030302).

Multipling 1010201 by its reverse (1020101), we get a palindrome (1030507050301).

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 10201 = 1000^2 + 101^2 .

It is an emirp because it is prime and its reverse (1020101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010201 - 218 = 748057 is a prime.

Together with 1010203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1010203) 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, 505100 + 505101.

It is an arithmetic number, because the mean of its divisors is an integer number (505101).

21010201 is an apocalyptic number.

It is an amenable number.

1010201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010201 is an equidigital number, since it uses as much as digits as its factorization.

1010201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1010201 is about 1005.0875583749. The cubic root of 1010201 is about 100.3388836150.

The spelling of 1010201 in words is "one million, ten thousand, two hundred one".