Base | Representation |
---|---|
bin | 1110100011100… |
… | …10100110110111 |
3 | 22111202112112112 |
4 | 13101302212313 |
5 | 222224313442 |
6 | 20041041235 |
7 | 3011604026 |
oct | 721624667 |
9 | 274675475 |
10 | 122104247 |
11 | 62a19801 |
12 | 34a8621b |
13 | 1c3b2945 |
14 | 123068bd |
15 | aabe082 |
hex | 74729b7 |
122104247 has 2 divisors, whose sum is σ = 122104248. Its totient is φ = 122104246.
The previous prime is 122104237. The next prime is 122104259. The reversal of 122104247 is 742401221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 122104247 - 224 = 105327031 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122104207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61052123 + 61052124.
It is an arithmetic number, because the mean of its divisors is an integer number (61052124).
Almost surely, 2122104247 is an apocalyptic number.
122104247 is a deficient number, since it is larger than the sum of its proper divisors (1).
122104247 is an equidigital number, since it uses as much as digits as its factorization.
122104247 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 896, while the sum is 23.
The square root of 122104247 is about 11050.0790494910. The cubic root of 122104247 is about 496.1087915520.
Adding to 122104247 its reverse (742401221), we get a palindrome (864505468).
The spelling of 122104247 in words is "one hundred twenty-two million, one hundred four thousand, two hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •