Base | Representation |
---|---|
bin | 1111000011001… |
… | …01100100000101 |
3 | 22210112220202101 |
4 | 13201211210011 |
5 | 224304321000 |
6 | 20305512101 |
7 | 3062031406 |
oct | 741454405 |
9 | 283486671 |
10 | 126245125 |
11 | 65297916 |
12 | 36342631 |
13 | 20202676 |
14 | 12aa39ad |
15 | b13ae6a |
hex | 7865905 |
126245125 has 16 divisors (see below), whose sum is σ = 157867632. Its totient is φ = 100795200.
The previous prime is 126245123. The next prime is 126245201. The reversal of 126245125 is 521542621.
It can be written as a sum of positive squares in 8 ways, for example, as 61748164 + 64496961 = 7858^2 + 8031^2 .
It is not a de Polignac number, because 126245125 - 21 = 126245123 is a prime.
It is a super-3 number, since 3×1262451253 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 126245093 and 126245102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126245123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124119 + ... + 125131.
It is an arithmetic number, because the mean of its divisors is an integer number (9866727).
Almost surely, 2126245125 is an apocalyptic number.
It is an amenable number.
126245125 is a deficient number, since it is larger than the sum of its proper divisors (31622507).
126245125 is an equidigital number, since it uses as much as digits as its factorization.
126245125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2025 (or 2015 counting only the distinct ones).
The product of its digits is 4800, while the sum is 28.
The square root of 126245125 is about 11235.8855903752. The cubic root of 126245125 is about 501.6546846633.
Adding to 126245125 its reverse (521542621), we get a palindrome (647787746).
The spelling of 126245125 in words is "one hundred twenty-six million, two hundred forty-five thousand, one hundred twenty-five".
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