Base | Representation |
---|---|
bin | 1110011100000… |
… | …10110011010111 |
3 | 22102220122011021 |
4 | 13032002303113 |
5 | 222001401012 |
6 | 20004022011 |
7 | 3000343246 |
oct | 716026327 |
9 | 272818137 |
10 | 121122007 |
11 | 62408836 |
12 | 34691907 |
13 | 1c12a836 |
14 | 1212c95d |
15 | a978007 |
hex | 7382cd7 |
121122007 has 2 divisors, whose sum is σ = 121122008. Its totient is φ = 121122006.
The previous prime is 121121981. The next prime is 121122011. The reversal of 121122007 is 700221121.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 121122007 - 211 = 121119959 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121122037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561003 + 60561004.
It is an arithmetic number, because the mean of its divisors is an integer number (60561004).
Almost surely, 2121122007 is an apocalyptic number.
121122007 is a deficient number, since it is larger than the sum of its proper divisors (1).
121122007 is an equidigital number, since it uses as much as digits as its factorization.
121122007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56, while the sum is 16.
The square root of 121122007 is about 11005.5443754500. The cubic root of 121122007 is about 494.7749301590.
Adding to 121122007 its reverse (700221121), we get a palindrome (821343128).
The spelling of 121122007 in words is "one hundred twenty-one million, one hundred twenty-two thousand, seven".
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