Base | Representation |
---|---|
bin | 1110100011100… |
… | …01110111010001 |
3 | 22111202101100201 |
4 | 13101301313101 |
5 | 222224214301 |
6 | 20041015201 |
7 | 3011562115 |
oct | 721616721 |
9 | 274671321 |
10 | 122101201 |
11 | 62a17492 |
12 | 34a84501 |
13 | 1c3b1441 |
14 | 12305745 |
15 | aabd201 |
hex | 7471dd1 |
122101201 has 4 divisors (see below), whose sum is σ = 128527600. Its totient is φ = 115674804.
The previous prime is 122101183. The next prime is 122101211. The reversal of 122101201 is 102101221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102101221 = 43 ⋅2374447.
It is a cyclic number.
It is not a de Polignac number, because 122101201 - 213 = 122093009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122101211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3213171 + ... + 3213208.
It is an arithmetic number, because the mean of its divisors is an integer number (32131900).
Almost surely, 2122101201 is an apocalyptic number.
It is an amenable number.
122101201 is a deficient number, since it is larger than the sum of its proper divisors (6426399).
122101201 is an equidigital number, since it uses as much as digits as its factorization.
122101201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6426398.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 122101201 is about 11049.9412215631. The cubic root of 122101201 is about 496.1046662247.
Adding to 122101201 its reverse (102101221), we get a palindrome (224202422).
The spelling of 122101201 in words is "one hundred twenty-two million, one hundred one thousand, two hundred one".
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