| Base | Representation |
|---|---|
| bin | 1110100101001… |
| … | …00010110110100 |
| 3 | 22112010220001200 |
| 4 | 13102210112310 |
| 5 | 222302324040 |
| 6 | 20045252500 |
| 7 | 3013413102 |
| oct | 722442664 |
| 9 | 275126050 |
| 10 | 122308020 |
| 11 | 6304890a |
| 12 | 34b64130 |
| 13 | 1c454613 |
| 14 | 1235ac72 |
| 15 | ab0e630 |
| hex | 74a45b4 |
122308020 has 144 divisors (see below), whose sum is σ = 400038912. Its totient is φ = 30159360.
The previous prime is 122308009. The next prime is 122308027. The reversal of 122308020 is 20803221.
It is a happy number.
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 = 122307984 and 122308002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122308027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127864 + ... + 128816.
It is an arithmetic number, because the mean of its divisors is an integer number (2778048).
Almost surely, 2122308020 is an apocalyptic number.
122308020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122308020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200019456).
122308020 is an abundant number, since it is smaller than the sum of its proper divisors (277730892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122308020 is a wasteful number, since it uses less digits than its factorization.
122308020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1022 (or 1017 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 122308020 is about 11059.2956376073. The cubic root of 122308020 is about 496.3846143150.
It can be divided in two parts, 12 and 2308020, that added together give a palindrome (2308032).
The spelling of 122308020 in words is "one hundred twenty-two million, three hundred eight thousand, twenty".
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