Base | Representation |
---|---|
bin | 100101011000110001001 |
3 | 2022020111222 |
4 | 10223012021 |
5 | 303200342 |
6 | 42131425 |
7 | 13261466 |
oct | 4530611 |
9 | 2266458 |
10 | 1225097 |
11 | 767485 |
12 | 4b0b75 |
13 | 33b813 |
14 | 23c66d |
15 | 192ed2 |
hex | 12b189 |
1225097 has 2 divisors, whose sum is σ = 1225098. Its totient is φ = 1225096.
The previous prime is 1225093. The next prime is 1225099. The reversal of 1225097 is 7905221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 678976 + 546121 = 824^2 + 739^2 .
It is a cyclic number.
It is not a de Polignac number, because 1225097 - 22 = 1225093 is a prime.
Together with 1225099, it forms a pair of twin primes.
It is a Chen prime.
It is an Ulam number.
It is not a weakly prime, because it can be changed into another prime (1225093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612548 + 612549.
It is an arithmetic number, because the mean of its divisors is an integer number (612549).
21225097 is an apocalyptic number.
It is an amenable number.
1225097 is a deficient number, since it is larger than the sum of its proper divisors (1).
1225097 is an equidigital number, since it uses as much as digits as its factorization.
1225097 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 1225097 is about 1106.8410003248. The cubic root of 1225097 is about 107.0015721666.
The spelling of 1225097 in words is "one million, two hundred twenty-five thousand, ninety-seven".
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