Base | Representation |
---|---|
bin | 1110011101000… |
… | …11000100111001 |
3 | 22110011100111100 |
4 | 13032203010321 |
5 | 222020113301 |
6 | 20010522013 |
7 | 3001433535 |
oct | 716430471 |
9 | 273140440 |
10 | 121254201 |
11 | 62499092 |
12 | 34736309 |
13 | 1c175a63 |
14 | 12164bc5 |
15 | a9a2286 |
hex | 73a3139 |
121254201 has 6 divisors (see below), whose sum is σ = 175144970. Its totient is φ = 80836128.
The previous prime is 121254197. The next prime is 121254209. The reversal of 121254201 is 102452121.
121254201 is a `hidden beast` number, since 121 + 2 + 542 + 0 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 104040000 + 17214201 = 10200^2 + 4149^2 .
It is not a de Polignac number, because 121254201 - 22 = 121254197 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a zygodrome in base 3.
It is not an unprimeable number, because it can be changed into a prime (121254209) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6736336 + ... + 6736353.
Almost surely, 2121254201 is an apocalyptic number.
It is an amenable number.
121254201 is a deficient number, since it is larger than the sum of its proper divisors (53890769).
121254201 is a wasteful number, since it uses less digits than its factorization.
121254201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13472695 (or 13472692 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 121254201 is about 11011.5485287039. The cubic root of 121254201 is about 494.9548657960.
The spelling of 121254201 in words is "one hundred twenty-one million, two hundred fifty-four thousand, two hundred one".
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