Base | Representation |
---|---|
bin | 1110011011001… |
… | …11100000011111 |
3 | 22102200221210112 |
4 | 13031213200133 |
5 | 221434311312 |
6 | 20001400235 |
7 | 2666366303 |
oct | 715474037 |
9 | 272627715 |
10 | 121010207 |
11 | 6234183a |
12 | 3463907b |
13 | 1c0bb996 |
14 | 120ddd03 |
15 | a954d22 |
hex | 736781f |
121010207 has 2 divisors, whose sum is σ = 121010208. Its totient is φ = 121010206.
The previous prime is 121010189. The next prime is 121010257. The reversal of 121010207 is 702010121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 121010207 - 210 = 121009183 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 121010191 and 121010200.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121010257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505103 + 60505104.
It is an arithmetic number, because the mean of its divisors is an integer number (60505104).
Almost surely, 2121010207 is an apocalyptic number.
121010207 is a deficient number, since it is larger than the sum of its proper divisors (1).
121010207 is an equidigital number, since it uses as much as digits as its factorization.
121010207 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 28, while the sum is 14.
The square root of 121010207 is about 11000.4639447616. The cubic root of 121010207 is about 494.6226515687.
Adding to 121010207 its reverse (702010121), we get a palindrome (823020328).
The spelling of 121010207 in words is "one hundred twenty-one million, ten thousand, two hundred seven".
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