Base | Representation |
---|---|
bin | 1110100011100… |
… | …10110100110101 |
3 | 22111202120202122 |
4 | 13101302310311 |
5 | 222224331031 |
6 | 20041045325 |
7 | 3011606444 |
oct | 721626465 |
9 | 274676678 |
10 | 122105141 |
11 | 62a1a444 |
12 | 34a86845 |
13 | 1c3b3182 |
14 | 12306d5b |
15 | aabe47b |
hex | 7472d35 |
122105141 has 2 divisors, whose sum is σ = 122105142. Its totient is φ = 122105140.
The previous prime is 122105119. The next prime is 122105147. The reversal of 122105141 is 141501221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 101082916 + 21022225 = 10054^2 + 4585^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122105141 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122105147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61052570 + 61052571.
It is an arithmetic number, because the mean of its divisors is an integer number (61052571).
Almost surely, 2122105141 is an apocalyptic number.
It is an amenable number.
122105141 is a deficient number, since it is larger than the sum of its proper divisors (1).
122105141 is an equidigital number, since it uses as much as digits as its factorization.
122105141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 122105141 is about 11050.1195016163. The cubic root of 122105141 is about 496.1100023211.
Adding to 122105141 its reverse (141501221), we get a palindrome (263606362).
The spelling of 122105141 in words is "one hundred twenty-two million, one hundred five thousand, one hundred forty-one".
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