Base | Representation |
---|---|
bin | 1110100010111… |
… | …10000110000001 |
3 | 22111121021021121 |
4 | 13101132012001 |
5 | 222214121400 |
6 | 20035152241 |
7 | 3011104045 |
oct | 721360601 |
9 | 274537247 |
10 | 122020225 |
11 | 62971668 |
12 | 34a45681 |
13 | 1c383622 |
14 | 122c4025 |
15 | aaa421a |
hex | 745e181 |
122020225 has 24 divisors (see below), whose sum is σ = 156061440. Its totient is φ = 94590720.
The previous prime is 122020211. The next prime is 122020229. The reversal of 122020225 is 522020221.
It is not a de Polignac number, because 122020225 - 25 = 122020193 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122020199 and 122020208.
It is not an unprimeable number, because it can be changed into a prime (122020229) 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, 132316 + ... + 133234.
It is an arithmetic number, because the mean of its divisors is an integer number (6502560).
Almost surely, 2122020225 is an apocalyptic number.
It is an amenable number.
122020225 is a deficient number, since it is larger than the sum of its proper divisors (34041215).
122020225 is a wasteful number, since it uses less digits than its factorization.
122020225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1089 (or 1084 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 122020225 is about 11046.2765219779. The cubic root of 122020225 is about 495.9949718208.
Adding to 122020225 its reverse (522020221), we get a palindrome (644040446).
The spelling of 122020225 in words is "one hundred twenty-two million, twenty thousand, two hundred twenty-five".
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