Base | Representation |
---|---|
bin | 1110111001101… |
… | …01111000011001 |
3 | 22201012201110121 |
4 | 13130311320121 |
5 | 224000014431 |
6 | 20223113241 |
7 | 3045331051 |
oct | 734657031 |
9 | 281181417 |
10 | 125001241 |
11 | 64618312 |
12 | 35a42821 |
13 | 1cb88441 |
14 | 1285c561 |
15 | ae92611 |
hex | 7735e19 |
125001241 has 2 divisors, whose sum is σ = 125001242. Its totient is φ = 125001240.
The previous prime is 125001211. The next prime is 125001257. The reversal of 125001241 is 142100521.
It is an a-pointer prime, because the next prime (125001257) can be obtained adding 125001241 to its sum of digits (16).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 93315600 + 31685641 = 9660^2 + 5629^2 .
It is a cyclic number.
It is not a de Polignac number, because 125001241 - 213 = 124993049 is a prime.
It is not a weakly prime, because it can be changed into another prime (125001211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62500620 + 62500621.
It is an arithmetic number, because the mean of its divisors is an integer number (62500621).
Almost surely, 2125001241 is an apocalyptic number.
It is an amenable number.
125001241 is a deficient number, since it is larger than the sum of its proper divisors (1).
125001241 is an equidigital number, since it uses as much as digits as its factorization.
125001241 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 125001241 is about 11180.3953865684. The cubic root of 125001241 is about 500.0016546612.
Adding to 125001241 its reverse (142100521), we get a palindrome (267101762).
The spelling of 125001241 in words is "one hundred twenty-five million, one thousand, two hundred forty-one".
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