Base | Representation |
---|---|
bin | 1110011100100… |
… | …00111111011000 |
3 | 22110000120212121 |
4 | 13032100333120 |
5 | 222010230440 |
6 | 20005151024 |
7 | 3001004545 |
oct | 716207730 |
9 | 273016777 |
10 | 121180120 |
11 | 62448466 |
12 | 346bb474 |
13 | 1c14b119 |
14 | 12145bcc |
15 | a98a34a |
hex | 7390fd8 |
121180120 has 32 divisors (see below), whose sum is σ = 273190320. Its totient is φ = 48376960.
The previous prime is 121180079. The next prime is 121180121. The reversal of 121180120 is 21081121.
It is a junction number, because it is equal to n+sod(n) for n = 121180094 and 121180103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121180121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19830 + ... + 25210.
Almost surely, 2121180120 is an apocalyptic number.
121180120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121180120 is an abundant number, since it is smaller than the sum of its proper divisors (152010200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121180120 is a wasteful number, since it uses less digits than its factorization.
121180120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5955 (or 5951 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
The square root of 121180120 is about 11008.1842281096. The cubic root of 121180120 is about 494.8540466879.
The spelling of 121180120 in words is "one hundred twenty-one million, one hundred eighty thousand, one hundred twenty".
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