Base | Representation |
---|---|
bin | 1111100000101… |
… | …11110110100101 |
3 | 100001211211121221 |
4 | 13300113312211 |
5 | 231302334000 |
6 | 20524540341 |
7 | 3140003611 |
oct | 760276645 |
9 | 301754557 |
10 | 130121125 |
11 | 674a4a22 |
12 | 376b16b1 |
13 | 20c5b964 |
14 | 133d2341 |
15 | b65461a |
hex | 7c17da5 |
130121125 has 16 divisors (see below), whose sum is σ = 163238400. Its totient is φ = 103554000.
The previous prime is 130121099. The next prime is 130121149. The reversal of 130121125 is 521121031.
It is not a de Polignac number, because 130121125 - 27 = 130120997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130121099 and 130121108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22260 + ... + 27490.
It is an arithmetic number, because the mean of its divisors is an integer number (10202400).
Almost surely, 2130121125 is an apocalyptic number.
It is an amenable number.
130121125 is a deficient number, since it is larger than the sum of its proper divisors (33117275).
130121125 is an equidigital number, since it uses as much as digits as its factorization.
130121125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5445 (or 5435 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 16.
The square root of 130121125 is about 11407.0646969323. The cubic root of 130121125 is about 506.7369850368.
Adding to 130121125 its reverse (521121031), we get a palindrome (651242156).
The spelling of 130121125 in words is "one hundred thirty million, one hundred twenty-one thousand, one hundred twenty-five".
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