Base | Representation |
---|---|
bin | 1110011101011… |
… | …10100010000001 |
3 | 22110020201212010 |
4 | 13032232202001 |
5 | 222023113441 |
6 | 20011523133 |
7 | 3002020404 |
oct | 716564201 |
9 | 273221763 |
10 | 121301121 |
11 | 62520367 |
12 | 347594a9 |
13 | 1c191216 |
14 | 12177d3b |
15 | a9b1116 |
hex | 73ae881 |
121301121 has 8 divisors (see below), whose sum is σ = 162288000. Its totient is φ = 80590832.
The previous prime is 121301087. The next prime is 121301161. The reversal of 121301121 is 121103121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121301121 - 29 = 121300609 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121301097 and 121301106.
It is not an unprimeable number, because it can be changed into a prime (121301161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68121 + ... + 69878.
It is an arithmetic number, because the mean of its divisors is an integer number (20286000).
Almost surely, 2121301121 is an apocalyptic number.
It is an amenable number.
121301121 is a deficient number, since it is larger than the sum of its proper divisors (40986879).
121301121 is a wasteful number, since it uses less digits than its factorization.
121301121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138295.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 121301121 is about 11013.6788131850. The cubic root of 121301121 is about 495.0186994262.
Adding to 121301121 its reverse (121103121), we get a palindrome (242404242).
The spelling of 121301121 in words is "one hundred twenty-one million, three hundred one thousand, one hundred twenty-one".
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