Base | Representation |
---|---|
bin | 1110011101000… |
… | …11010100111011 |
3 | 22110011101220100 |
4 | 13032203110323 |
5 | 222020131402 |
6 | 20010530443 |
7 | 3001436532 |
oct | 716432473 |
9 | 273141810 |
10 | 121255227 |
11 | 62499935 |
12 | 34736a23 |
13 | 1c176372 |
14 | 12165319 |
15 | a9a271c |
hex | 73a353b |
121255227 has 12 divisors (see below), whose sum is σ = 179220184. Its totient is φ = 78956640.
The previous prime is 121255223. The next prime is 121255231. The reversal of 121255227 is 722552121.
121255227 is a `hidden beast` number, since 12 + 125 + 522 + 7 = 666.
It is an interprime number because it is at equal distance from previous prime (121255223) and next prime (121255231).
It is not a de Polignac number, because 121255227 - 22 = 121255223 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 121255227.
It is not an unprimeable number, because it can be changed into a prime (121255223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156274 + ... + 157047.
Almost surely, 2121255227 is an apocalyptic number.
121255227 is a deficient number, since it is larger than the sum of its proper divisors (57964957).
121255227 is a wasteful number, since it uses less digits than its factorization.
121255227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313370 (or 313367 counting only the distinct ones).
The product of its digits is 2800, while the sum is 27.
The square root of 121255227 is about 11011.5951160583. The cubic root of 121255227 is about 494.9562618226.
The spelling of 121255227 in words is "one hundred twenty-one million, two hundred fifty-five thousand, two hundred twenty-seven".
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