Base | Representation |
---|---|
bin | 100110110000110111001 |
3 | 2101112101111 |
4 | 10312012321 |
5 | 311121301 |
6 | 43120321 |
7 | 13540132 |
oct | 4660671 |
9 | 2345344 |
10 | 1270201 |
11 | 798359 |
12 | 5130a1 |
13 | 3561ca |
14 | 250c89 |
15 | 1a1551 |
hex | 1361b9 |
1270201 has 2 divisors, whose sum is σ = 1270202. Its totient is φ = 1270200.
The previous prime is 1270193. The next prime is 1270231. The reversal of 1270201 is 1020721.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 846400 + 423801 = 920^2 + 651^2 .
It is a cyclic number.
It is not a de Polignac number, because 1270201 - 23 = 1270193 is a prime.
It is a super-2 number, since 2×12702012 = 3226821160802, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1270231) 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, 635100 + 635101.
It is an arithmetic number, because the mean of its divisors is an integer number (635101).
21270201 is an apocalyptic number.
It is an amenable number.
1270201 is a deficient number, since it is larger than the sum of its proper divisors (1).
1270201 is an equidigital number, since it uses as much as digits as its factorization.
1270201 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 1270201 is about 1127.0319427594. The cubic root of 1270201 is about 108.2989260884.
Adding to 1270201 its reverse (1020721), we get a palindrome (2290922).
The spelling of 1270201 in words is "one million, two hundred seventy thousand, two hundred one".
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