Base | Representation |
---|---|
bin | 1110101010100… |
… | …11011011100010 |
3 | 22120111022202000 |
4 | 13111103123202 |
5 | 222443300442 |
6 | 20112504430 |
7 | 3022460553 |
oct | 725233342 |
9 | 276438660 |
10 | 123025122 |
11 | 63498660 |
12 | 3524b116 |
13 | 1c645b3c |
14 | 124a632a |
15 | ac01d4c |
hex | 75536e2 |
123025122 has 32 divisors (see below), whose sum is σ = 298244160. Its totient is φ = 37280160.
The previous prime is 123025099. The next prime is 123025151. The reversal of 123025122 is 221520321.
It is a super-3 number, since 3×1230251223 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 123025095 and 123025104.
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, 102963 + ... + 104150.
It is an arithmetic number, because the mean of its divisors is an integer number (9320130).
Almost surely, 2123025122 is an apocalyptic number.
123025122 is an abundant number, since it is smaller than the sum of its proper divisors (175219038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123025122 is a wasteful number, since it uses less digits than its factorization.
123025122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 207135 (or 207129 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 123025122 is about 11091.6690358124. The cubic root of 123025122 is about 497.3528391453.
Adding to 123025122 its reverse (221520321), we get a palindrome (344545443).
It can be divided in two parts, 12302 and 5122, that added together give a square (17424 = 1322).
The spelling of 123025122 in words is "one hundred twenty-three million, twenty-five thousand, one hundred twenty-two".
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