Base | Representation |
---|---|
bin | 1110110011101… |
… | …10011101110001 |
3 | 22122201212222002 |
4 | 13121312131301 |
5 | 223244422301 |
6 | 20154223345 |
7 | 3035554163 |
oct | 731663561 |
9 | 278655862 |
10 | 124217201 |
11 | 64132249 |
12 | 35724b55 |
13 | 1c972604 |
14 | 126d6933 |
15 | ad8a16b |
hex | 7676771 |
124217201 has 2 divisors, whose sum is σ = 124217202. Its totient is φ = 124217200.
The previous prime is 124217161. The next prime is 124217221. The reversal of 124217201 is 102712421.
It is an a-pointer prime, because the next prime (124217221) can be obtained adding 124217201 to its sum of digits (20).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 63361600 + 60855601 = 7960^2 + 7801^2 .
It is a cyclic number.
It is not a de Polignac number, because 124217201 - 210 = 124216177 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (124217221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62108600 + 62108601.
It is an arithmetic number, because the mean of its divisors is an integer number (62108601).
Almost surely, 2124217201 is an apocalyptic number.
It is an amenable number.
124217201 is a deficient number, since it is larger than the sum of its proper divisors (1).
124217201 is an equidigital number, since it uses as much as digits as its factorization.
124217201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 224, while the sum is 20.
The square root of 124217201 is about 11145.2770714774. The cubic root of 124217201 is about 498.9540816351.
Adding to 124217201 its reverse (102712421), we get a palindrome (226929622).
The spelling of 124217201 in words is "one hundred twenty-four million, two hundred seventeen thousand, two hundred one".
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