Base | Representation |
---|---|
bin | 1110011100001… |
… | …00110111001001 |
3 | 22102221001201122 |
4 | 13032010313021 |
5 | 222002133231 |
6 | 20004125025 |
7 | 3000406655 |
oct | 716046711 |
9 | 272831648 |
10 | 121130441 |
11 | 62414103 |
12 | 34696775 |
13 | 1c131623 |
14 | 12131a65 |
15 | a97a77b |
hex | 7384dc9 |
121130441 has 16 divisors (see below), whose sum is σ = 128206848. Its totient is φ = 114307200.
The previous prime is 121130417. The next prime is 121130447. The reversal of 121130441 is 144031121.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 121130441 - 210 = 121129417 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (121130447) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223631 + ... + 224171.
It is an arithmetic number, because the mean of its divisors is an integer number (8012928).
Almost surely, 2121130441 is an apocalyptic number.
It is an amenable number.
121130441 is a deficient number, since it is larger than the sum of its proper divisors (7076407).
121130441 is a wasteful number, since it uses less digits than its factorization.
121130441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 752.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 121130441 is about 11005.9275392854. The cubic root of 121130441 is about 494.7864139925.
Adding to 121130441 its reverse (144031121), we get a palindrome (265161562).
The spelling of 121130441 in words is "one hundred twenty-one million, one hundred thirty thousand, four hundred forty-one".
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