Base | Representation |
---|---|
bin | 1110100001110… |
… | …10101100000001 |
3 | 22111022220100100 |
4 | 13100322230001 |
5 | 222200001301 |
6 | 20032113013 |
7 | 3006631200 |
oct | 720725401 |
9 | 274286310 |
10 | 121875201 |
11 | 62882708 |
12 | 34995769 |
13 | 1c332606 |
14 | 12287237 |
15 | aa76286 |
hex | 743ab01 |
121875201 has 36 divisors (see below), whose sum is σ = 209578512. Its totient is φ = 68012784.
The previous prime is 121875181. The next prime is 121875209. The reversal of 121875201 is 102578121.
It is not a de Polignac number, because 121875201 - 27 = 121875073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121875209) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15750 + ... + 22176.
Almost surely, 2121875201 is an apocalyptic number.
It is an amenable number.
121875201 is a deficient number, since it is larger than the sum of its proper divisors (87703311).
121875201 is a wasteful number, since it uses less digits than its factorization.
121875201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6490 (or 6480 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 27.
The square root of 121875201 is about 11039.7101864134. The cubic root of 121875201 is about 495.7983932319.
The spelling of 121875201 in words is "one hundred twenty-one million, eight hundred seventy-five thousand, two hundred one".
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