Base | Representation |
---|---|
bin | 1110101111010… |
… | …01110110011001 |
3 | 22121122121220020 |
4 | 13113221312121 |
5 | 223123004431 |
6 | 20134021053 |
7 | 3030635043 |
oct | 727516631 |
9 | 277577806 |
10 | 123641241 |
11 | 63879549 |
12 | 354a7789 |
13 | 1c8003c9 |
14 | 125c6a93 |
15 | acc4696 |
hex | 75e9d99 |
123641241 has 8 divisors (see below), whose sum is σ = 166942080. Its totient is φ = 81383952.
The previous prime is 123641233. The next prime is 123641257. The reversal of 123641241 is 142146321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123641241 - 23 = 123641233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (123641201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260610 + ... + 261083.
It is an arithmetic number, because the mean of its divisors is an integer number (20867760).
Almost surely, 2123641241 is an apocalyptic number.
It is an amenable number.
123641241 is a deficient number, since it is larger than the sum of its proper divisors (43300839).
123641241 is an equidigital number, since it uses as much as digits as its factorization.
123641241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521775.
The product of its digits is 1152, while the sum is 24.
The square root of 123641241 is about 11119.4083026032. The cubic root of 123641241 is about 498.1817170429.
Adding to 123641241 its reverse (142146321), we get a palindrome (265787562).
The spelling of 123641241 in words is "one hundred twenty-three million, six hundred forty-one thousand, two hundred forty-one".
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