Base | Representation |
---|---|
bin | 1110010100011… |
… | …10001011000001 |
3 | 22101000201122221 |
4 | 13022032023001 |
5 | 221222320001 |
6 | 15530331041 |
7 | 2656001041 |
oct | 712161301 |
9 | 271021587 |
10 | 120120001 |
11 | 61893a31 |
12 | 34289a81 |
13 | 1bb69731 |
14 | 11d4b721 |
15 | a82b1a1 |
hex | 728e2c1 |
120120001 has 16 divisors (see below), whose sum is σ = 127059840. Its totient is φ = 113397760.
The previous prime is 120119999. The next prime is 120120031. The reversal of 120120001 is 100021021.
It is a cyclic number.
It is not a de Polignac number, because 120120001 - 21 = 120119999 is a prime.
It is a super-3 number, since 3×1201200013 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120120031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467265 + ... + 467521.
It is an arithmetic number, because the mean of its divisors is an integer number (7941240).
Almost surely, 2120120001 is an apocalyptic number.
It is an amenable number.
120120001 is a deficient number, since it is larger than the sum of its proper divisors (6939839).
120120001 is a wasteful number, since it uses less digits than its factorization.
120120001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 584.
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 120120001 is about 10959.9270526769. The cubic root of 120120001 is about 493.4067755993.
Adding to 120120001 its reverse (100021021), we get a palindrome (220141022).
The spelling of 120120001 in words is "one hundred twenty million, one hundred twenty thousand, one".
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