Base | Representation |
---|---|
bin | 1110100011110… |
… | …00001101000001 |
3 | 22111210200222111 |
4 | 13101320031001 |
5 | 222231032134 |
6 | 20041335321 |
7 | 3012030613 |
oct | 721701501 |
9 | 274720874 |
10 | 122127169 |
11 | 62a34a4a |
12 | 34a97541 |
13 | 1c3c01c8 |
14 | 12310db3 |
15 | aac5c64 |
hex | 7478341 |
122127169 has 4 divisors (see below), whose sum is σ = 122152240. Its totient is φ = 122102100.
The previous prime is 122127163. The next prime is 122127191. The reversal of 122127169 is 961721221.
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.
It is a cyclic number.
It is not a de Polignac number, because 122127169 - 213 = 122118977 is a prime.
It is a super-2 number, since 2×1221271692 = 29830090815909122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 122127169.
It is not an unprimeable number, because it can be changed into a prime (122127163) 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, 2607 + ... + 15844.
It is an arithmetic number, because the mean of its divisors is an integer number (30538060).
Almost surely, 2122127169 is an apocalyptic number.
It is an amenable number.
122127169 is a deficient number, since it is larger than the sum of its proper divisors (25071).
122127169 is an equidigital number, since it uses as much as digits as its factorization.
122127169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25070.
The product of its digits is 3024, while the sum is 31.
The square root of 122127169 is about 11051.1161879694. The cubic root of 122127169 is about 496.1398335904.
The spelling of 122127169 in words is "one hundred twenty-two million, one hundred twenty-seven thousand, one hundred sixty-nine".
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