Base | Representation |
---|---|
bin | 1110110010111… |
… | …11111101110000 |
3 | 22122120012112201 |
4 | 13121133331300 |
5 | 223234000130 |
6 | 20152232544 |
7 | 3035021404 |
oct | 731377560 |
9 | 278505481 |
10 | 124125040 |
11 | 64079a86 |
12 | 3569b754 |
13 | 1c93c690 |
14 | 126b1104 |
15 | ad6cbca |
hex | 765ff70 |
124125040 has 120 divisors (see below), whose sum is σ = 323041824. Its totient is φ = 44083200.
The previous prime is 124125019. The next prime is 124125097. The reversal of 124125040 is 40521421.
It is a junction number, because it is equal to n+sod(n) for n = 124124999 and 124125017.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1748205 + ... + 1748275.
Almost surely, 2124125040 is an apocalyptic number.
124125040 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 124125040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161520912).
124125040 is an abundant number, since it is smaller than the sum of its proper divisors (198916784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124125040 is a wasteful number, since it uses less digits than its factorization.
124125040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179 (or 132 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 124125040 is about 11141.1417727269. The cubic root of 124125040 is about 498.8306540587.
Adding to 124125040 its reverse (40521421), we get a palindrome (164646461).
The spelling of 124125040 in words is "one hundred twenty-four million, one hundred twenty-five thousand, forty".
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