Base | Representation |
---|---|
bin | 1110101100010… |
… | …01001001000101 |
3 | 22120220111112021 |
4 | 13112021021011 |
5 | 223022321000 |
6 | 20121323141 |
7 | 3024365143 |
oct | 726111105 |
9 | 276814467 |
10 | 123245125 |
11 | 63628983 |
12 | 353364b1 |
13 | 1c6c2013 |
14 | 12522593 |
15 | ac4711a |
hex | 7589245 |
123245125 has 16 divisors (see below), whose sum is σ = 154132992. Its totient is φ = 98389200.
The previous prime is 123245081. The next prime is 123245167. The reversal of 123245125 is 521542321.
It is not a de Polignac number, because 123245125 - 27 = 123244997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 123245125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92212 + ... + 93538.
It is an arithmetic number, because the mean of its divisors is an integer number (9633312).
Almost surely, 2123245125 is an apocalyptic number.
It is an amenable number.
123245125 is a deficient number, since it is larger than the sum of its proper divisors (30887867).
123245125 is an equidigital number, since it uses as much as digits as its factorization.
123245125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2085 (or 2075 counting only the distinct ones).
The product of its digits is 2400, while the sum is 25.
The square root of 123245125 is about 11101.5820944584. The cubic root of 123245125 is about 497.6491308179.
Adding to 123245125 its reverse (521542321), we get a palindrome (644787446).
It can be divided in two parts, 123245 and 125, that multiplied together give a square (15405625 = 39252).
The spelling of 123245125 in words is "one hundred twenty-three million, two hundred forty-five thousand, one hundred twenty-five".
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