Base | Representation |
---|---|
bin | 1110100110101… |
… | …00011111110001 |
3 | 22112111220112200 |
4 | 13103110133301 |
5 | 222330131301 |
6 | 20053413413 |
7 | 3015164010 |
oct | 723243761 |
9 | 275456480 |
10 | 122505201 |
11 | 63172a75 |
12 | 3503a269 |
13 | 1c4c32b0 |
14 | 123aca77 |
15 | ab4cc86 |
hex | 74d47f1 |
122505201 has 24 divisors (see below), whose sum is σ = 217788480. Its totient is φ = 64617696.
The previous prime is 122505197. The next prime is 122505203. The reversal of 122505201 is 102505221.
It is not a de Polignac number, because 122505201 - 22 = 122505197 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122505203) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73971 + ... + 75608.
It is an arithmetic number, because the mean of its divisors is an integer number (9074520).
Almost surely, 2122505201 is an apocalyptic number.
It is an amenable number.
122505201 is a deficient number, since it is larger than the sum of its proper divisors (95283279).
122505201 is a wasteful number, since it uses less digits than its factorization.
122505201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149605 (or 149602 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 122505201 is about 11068.2067653256. The cubic root of 122505201 is about 496.6512227880.
The spelling of 122505201 in words is "one hundred twenty-two million, five hundred five thousand, two hundred one".
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