| Base | Representation |
|---|---|
| bin | 100001011110000… |
| … | …0010110100000100 |
| 3 | 2220021012011100111 |
| 4 | 1002330002310010 |
| 5 | 4244444131140 |
| 6 | 303234322404 |
| 7 | 36554436442 |
| oct | 10274026404 |
| 9 | 2807164314 |
| 10 | 1123036420 |
| 11 | 526a19980 |
| 12 | 274129404 |
| 13 | 14b8881bc |
| 14 | a9217b92 |
| 15 | 688d67ea |
| hex | 42f02d04 |
1123036420 has 96 divisors (see below), whose sum is σ = 2725591680. Its totient is φ = 384399360.
The previous prime is 1123036417. The next prime is 1123036441. The reversal of 1123036420 is 246303211.
It is a super-2 number, since 2×11230364202 = 2522421601292832800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 1123036391 and 1123036400.
It is an unprimeable number.
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, 722364 + ... + 723916.
It is an arithmetic number, because the mean of its divisors is an integer number (28391580).
Almost surely, 21123036420 is an apocalyptic number.
1123036420 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 1123036420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1362795840).
1123036420 is an abundant number, since it is smaller than the sum of its proper divisors (1602555260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1123036420 is a wasteful number, since it uses less digits than its factorization.
1123036420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1765 (or 1763 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 1123036420 is about 33511.7355563689. The cubic root of 1123036420 is about 1039.4364612124.
Adding to 1123036420 its reverse (246303211), we get a palindrome (1369339631).
The spelling of 1123036420 in words is "one billion, one hundred twenty-three million, thirty-six thousand, four hundred twenty".
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