| Base | Representation |
|---|---|
| bin | 1110110010010… |
| … | …00110001000100 |
| 3 | 22122101101012110 |
| 4 | 13121020301010 |
| 5 | 223222430040 |
| 6 | 20150221020 |
| 7 | 3034144362 |
| oct | 731106104 |
| 9 | 278341173 |
| 10 | 124030020 |
| 11 | 64014654 |
| 12 | 35654770 |
| 13 | 1c90835a |
| 14 | 12688632 |
| 15 | ad4e980 |
| hex | 7648c44 |
124030020 has 96 divisors (see below), whose sum is σ = 356017536. Its totient is φ = 32256000.
The previous prime is 124030001. The next prime is 124030021. The reversal of 124030020 is 20030421.
It is a super-2 number, since 2×1240300202 = 30766891722400800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 124029978 and 124030005.
It is not an unprimeable number, because it can be changed into a prime (124030021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587715 + ... + 587925.
It is an arithmetic number, because the mean of its divisors is an integer number (3708516).
Almost surely, 2124030020 is an apocalyptic number.
124030020 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 124030020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178008768).
124030020 is an abundant number, since it is smaller than the sum of its proper divisors (231987516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124030020 is a wasteful number, since it uses less digits than its factorization.
124030020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 421 (or 419 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 124030020 is about 11136.8765818788. The cubic root of 124030020 is about 498.7033335524.
Adding to 124030020 its reverse (20030421), we get a palindrome (144060441).
The spelling of 124030020 in words is "one hundred twenty-four million, thirty thousand, twenty".
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