Base | Representation |
---|---|
bin | 1110100011101… |
… | …10110010011011 |
3 | 22111210102000202 |
4 | 13101312302123 |
5 | 222230340441 |
6 | 20041252415 |
7 | 3012004661 |
oct | 721666233 |
9 | 274712022 |
10 | 122121371 |
11 | 62a30659 |
12 | 34a9410b |
13 | 1c3ba688 |
14 | 1230cc31 |
15 | aac419b |
hex | 7476c9b |
122121371 has 2 divisors, whose sum is σ = 122121372. Its totient is φ = 122121370.
The previous prime is 122121361. The next prime is 122121383. The reversal of 122121371 is 173121221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 122121371 - 210 = 122120347 is a prime.
It is not a weakly prime, because it can be changed into another prime (122121301) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060685 + 61060686.
It is an arithmetic number, because the mean of its divisors is an integer number (61060686).
Almost surely, 2122121371 is an apocalyptic number.
122121371 is a deficient number, since it is larger than the sum of its proper divisors (1).
122121371 is an equidigital number, since it uses as much as digits as its factorization.
122121371 is an evil number, because the sum of its binary digits is even.
The product of its digits is 168, while the sum is 20.
The square root of 122121371 is about 11050.8538584129. The cubic root of 122121371 is about 496.1319820362.
Adding to 122121371 its reverse (173121221), we get a palindrome (295242592).
The spelling of 122121371 in words is "one hundred twenty-two million, one hundred twenty-one thousand, three hundred seventy-one".
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