Base | Representation |
---|---|
bin | 1110111000111… |
… | …00011011000001 |
3 | 22201000102102101 |
4 | 13130130123001 |
5 | 223433200321 |
6 | 20220550401 |
7 | 3044415040 |
oct | 734343301 |
9 | 281012371 |
10 | 124896961 |
11 | 64556a32 |
12 | 359b2401 |
13 | 1cb4cb37 |
14 | 12832557 |
15 | ae71791 |
hex | 771c6c1 |
124896961 has 4 divisors (see below), whose sum is σ = 142739392. Its totient is φ = 107054532.
The previous prime is 124896953. The next prime is 124896971. The reversal of 124896961 is 169698421.
It is a happy number.
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: 169698421 = 53 ⋅3201857.
It is a cyclic number.
It is not a de Polignac number, because 124896961 - 23 = 124896953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (124896901) 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, 8921205 + ... + 8921218.
It is an arithmetic number, because the mean of its divisors is an integer number (35684848).
Almost surely, 2124896961 is an apocalyptic number.
It is an amenable number.
124896961 is a deficient number, since it is larger than the sum of its proper divisors (17842431).
124896961 is an equidigital number, since it uses as much as digits as its factorization.
124896961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17842430.
The product of its digits is 186624, while the sum is 46.
The square root of 124896961 is about 11175.7308933242. The cubic root of 124896961 is about 499.8625768999.
The spelling of 124896961 in words is "one hundred twenty-four million, eight hundred ninety-six thousand, nine hundred sixty-one".
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