Base | Representation |
---|---|
bin | 1110111101011… |
… | …10011000010001 |
3 | 22202010210111121 |
4 | 13132232120101 |
5 | 224111313201 |
6 | 20241442241 |
7 | 3052455025 |
oct | 736563021 |
9 | 282123447 |
10 | 125494801 |
11 | 64925113 |
12 | 36040381 |
13 | 1cccbca3 |
14 | 1294a385 |
15 | b03d9a1 |
hex | 77ae611 |
125494801 has 2 divisors, whose sum is σ = 125494802. Its totient is φ = 125494800.
The previous prime is 125494783. The next prime is 125494879. The reversal of 125494801 is 108494521.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 125462401 + 32400 = 11201^2 + 180^2 .
It is an emirp because it is prime and its reverse (108494521) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 125494801 - 211 = 125492753 is a prime.
It is equal to p7136692 and since 125494801 and 7136692 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (125494001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62747400 + 62747401.
It is an arithmetic number, because the mean of its divisors is an integer number (62747401).
Almost surely, 2125494801 is an apocalyptic number.
It is an amenable number.
125494801 is a deficient number, since it is larger than the sum of its proper divisors (1).
125494801 is an equidigital number, since it uses as much as digits as its factorization.
125494801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 125494801 is about 11202.4462060748. The cubic root of 125494801 is about 500.6588660763.
The spelling of 125494801 in words is "one hundred twenty-five million, four hundred ninety-four thousand, eight hundred one".
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