Base | Representation |
---|---|
bin | 1110011100111… |
… | …00001101010101 |
3 | 22110002220220102 |
4 | 13032130031111 |
5 | 222013213234 |
6 | 20010143445 |
7 | 3001255526 |
oct | 716341525 |
9 | 273086812 |
10 | 121226069 |
11 | 62479a38 |
12 | 34721b85 |
13 | 1c166003 |
14 | 1215884d |
15 | a998c7e |
hex | 739c355 |
121226069 has 2 divisors, whose sum is σ = 121226070. Its totient is φ = 121226068.
The previous prime is 121226059. The next prime is 121226081. The reversal of 121226069 is 960622121.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 102779044 + 18447025 = 10138^2 + 4295^2 .
It is a cyclic number.
It is not a de Polignac number, because 121226069 - 28 = 121225813 is a prime.
It is a super-2 number, since 2×1212260692 = 29391519610385522, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121226009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60613034 + 60613035.
It is an arithmetic number, because the mean of its divisors is an integer number (60613035).
Almost surely, 2121226069 is an apocalyptic number.
It is an amenable number.
121226069 is a deficient number, since it is larger than the sum of its proper divisors (1).
121226069 is an equidigital number, since it uses as much as digits as its factorization.
121226069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 121226069 is about 11010.2710684161. The cubic root of 121226069 is about 494.9165849306.
The spelling of 121226069 in words is "one hundred twenty-one million, two hundred twenty-six thousand, sixty-nine".
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