Base | Representation |
---|---|
bin | 1110110100100… |
… | …10010001110001 |
3 | 22122221200020100 |
4 | 13122102101301 |
5 | 223312043441 |
6 | 20200503013 |
7 | 3036540255 |
oct | 732222161 |
9 | 278850210 |
10 | 124331121 |
11 | 641aa8a2 |
12 | 3577aa69 |
13 | 1c9b2415 |
14 | 12726265 |
15 | adadcb6 |
hex | 7692471 |
124331121 has 24 divisors (see below), whose sum is σ = 184579200. Its totient is φ = 80607456.
The previous prime is 124331107. The next prime is 124331143. The reversal of 124331121 is 121133421.
It is not a de Polignac number, because 124331121 - 25 = 124331089 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 124331094 and 124331103.
It is not an unprimeable number, because it can be changed into a prime (124331161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72330 + ... + 74028.
It is an arithmetic number, because the mean of its divisors is an integer number (7690800).
Almost surely, 2124331121 is an apocalyptic number.
It is an amenable number.
124331121 is a deficient number, since it is larger than the sum of its proper divisors (60248079).
124331121 is a wasteful number, since it uses less digits than its factorization.
124331121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1925 (or 1922 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 124331121 is about 11150.3865852265. The cubic root of 124331121 is about 499.1065658350.
Adding to 124331121 its reverse (121133421), we get a palindrome (245464542).
It can be divided in two parts, 124331 and 121, that multiplied together give a palindrome (15044051).
The spelling of 124331121 in words is "one hundred twenty-four million, three hundred thirty-one thousand, one hundred twenty-one".
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