Base | Representation |
---|---|
bin | 1110011011111… |
… | …10101110101101 |
3 | 22102212210021102 |
4 | 13031332232231 |
5 | 222000332300 |
6 | 20003412445 |
7 | 3000243515 |
oct | 715765655 |
9 | 272783242 |
10 | 121105325 |
11 | 623a7250 |
12 | 34684125 |
13 | 1c123073 |
14 | 12126845 |
15 | a9730d5 |
hex | 737ebad |
121105325 has 12 divisors (see below), whose sum is σ = 163822848. Its totient is φ = 88076400.
The previous prime is 121105319. The next prime is 121105343. The reversal of 121105325 is 523501121.
It is a happy number.
It is not a de Polignac number, because 121105325 - 26 = 121105261 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121105297 and 121105306.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219917 + ... + 220466.
It is an arithmetic number, because the mean of its divisors is an integer number (13651904).
Almost surely, 2121105325 is an apocalyptic number.
It is an amenable number.
121105325 is a deficient number, since it is larger than the sum of its proper divisors (42717523).
121105325 is a wasteful number, since it uses less digits than its factorization.
121105325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440404 (or 440399 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 121105325 is about 11004.7864586279. The cubic root of 121105325 is about 494.7522141815.
Adding to 121105325 its reverse (523501121), we get a palindrome (644606446).
The spelling of 121105325 in words is "one hundred twenty-one million, one hundred five thousand, three hundred twenty-five".
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