| Base | Representation |
|---|---|
| bin | 1110100101111… |
| … | …10011110110110 |
| 3 | 22112100022212000 |
| 4 | 13102332132312 |
| 5 | 222314240110 |
| 6 | 20051440130 |
| 7 | 3014340063 |
| oct | 722763666 |
| 9 | 275308760 |
| 10 | 122415030 |
| 11 | 63111251 |
| 12 | 34bb6046 |
| 13 | 1c49123a |
| 14 | 12387c6a |
| 15 | ab311c0 |
| hex | 74be7b6 |
122415030 has 96 divisors (see below), whose sum is σ = 334666080. Its totient is φ = 31838400.
The previous prime is 122415019. The next prime is 122415031. The reversal of 122415030 is 30514221.
122415030 is a `hidden beast` number, since 122 + 41 + 503 + 0 = 666.
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 = 122414994 and 122415012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122415031) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1211980 + ... + 1212080.
It is an arithmetic number, because the mean of its divisors is an integer number (3486105).
Almost surely, 2122415030 is an apocalyptic number.
122415030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 122415030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167333040).
122415030 is an abundant number, since it is smaller than the sum of its proper divisors (212251050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122415030 is a wasteful number, since it uses less digits than its factorization.
122415030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251 (or 178 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 122415030 is about 11064.1325913964. The cubic root of 122415030 is about 496.5293380862.
Adding to 122415030 its reverse (30514221), we get a palindrome (152929251).
It can be divided in two parts, 12241 and 5030, that added together give a palindrome (17271).
The spelling of 122415030 in words is "one hundred twenty-two million, four hundred fifteen thousand, thirty".
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