Base | Representation |
---|---|
bin | 1110011100111… |
… | …01001100101010 |
3 | 22110010010110112 |
4 | 13032131030222 |
5 | 222013330442 |
6 | 20010214322 |
7 | 3001303406 |
oct | 716351452 |
9 | 273103415 |
10 | 121230122 |
11 | 62481a92 |
12 | 347243a2 |
13 | 1c167b00 |
14 | 1215a106 |
15 | a99a082 |
hex | 739d32a |
121230122 has 12 divisors (see below), whose sum is σ = 196909830. Its totient is φ = 55952208.
The previous prime is 121230097. The next prime is 121230139. The reversal of 121230122 is 221032121.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 59151481 + 62078641 = 7691^2 + 7879^2 .
It is a junction number, because it is equal to n+sod(n) for n = 121230097 and 121230106.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178997 + ... + 179672.
Almost surely, 2121230122 is an apocalyptic number.
121230122 is a deficient number, since it is larger than the sum of its proper divisors (75679708).
121230122 is a wasteful number, since it uses less digits than its factorization.
121230122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 358697 (or 358684 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 121230122 is about 11010.4551222917. The cubic root of 121230122 is about 494.9221004510.
Adding to 121230122 its reverse (221032121), we get a palindrome (342262243).
The spelling of 121230122 in words is "one hundred twenty-one million, two hundred thirty thousand, one hundred twenty-two".
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