Base | Representation |
---|---|
bin | 1110110011001… |
… | …00100110000001 |
3 | 22122121011112222 |
4 | 13121210212001 |
5 | 223240102001 |
6 | 20152500425 |
7 | 3035130602 |
oct | 731444601 |
9 | 278534488 |
10 | 124144001 |
11 | 64092253 |
12 | 356aa715 |
13 | 1c9481b7 |
14 | 126b7da9 |
15 | ad7361b |
hex | 7664981 |
124144001 has 4 divisors (see below), whose sum is σ = 124176852. Its totient is φ = 124111152.
The previous prime is 124143977. The next prime is 124144003. The reversal of 124144001 is 100441421.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 106090000 + 18054001 = 10300^2 + 4249^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-124144001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (124144003) 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, 9890 + ... + 18603.
It is an arithmetic number, because the mean of its divisors is an integer number (31044213).
Almost surely, 2124144001 is an apocalyptic number.
It is an amenable number.
124144001 is a deficient number, since it is larger than the sum of its proper divisors (32851).
124144001 is an equidigital number, since it uses as much as digits as its factorization.
124144001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32850.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 124144001 is about 11141.9926853324. The cubic root of 124144001 is about 498.8560527654.
Adding to 124144001 its reverse (100441421), we get a palindrome (224585422).
The spelling of 124144001 in words is "one hundred twenty-four million, one hundred forty-four thousand, one".
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