Base | Representation |
---|---|
bin | 1110011100010… |
… | …00001100100101 |
3 | 22102221202110120 |
4 | 13032020030211 |
5 | 222003102401 |
6 | 20004312153 |
7 | 3000464541 |
oct | 716101445 |
9 | 272852416 |
10 | 121144101 |
11 | 624233a1 |
12 | 346a2659 |
13 | 1c137900 |
14 | 12136a21 |
15 | a97e836 |
hex | 7388325 |
121144101 has 12 divisors (see below), whose sum is σ = 174907008. Its totient is φ = 74549904.
The previous prime is 121144099. The next prime is 121144103. The reversal of 121144101 is 101441121.
It is an interprime number because it is at equal distance from previous prime (121144099) and next prime (121144103).
It is not a de Polignac number, because 121144101 - 21 = 121144099 is a prime.
It is a super-3 number, since 3×1211441013 (a number of 25 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121144103) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118965 + ... + 119978.
It is an arithmetic number, because the mean of its divisors is an integer number (14575584).
Almost surely, 2121144101 is an apocalyptic number.
It is an amenable number.
121144101 is a deficient number, since it is larger than the sum of its proper divisors (53762907).
121144101 is a wasteful number, since it uses less digits than its factorization.
121144101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238972 (or 238959 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 121144101 is about 11006.5480964742. The cubic root of 121144101 is about 494.8050124783.
Adding to 121144101 its reverse (101441121), we get a palindrome (222585222).
The spelling of 121144101 in words is "one hundred twenty-one million, one hundred forty-four thousand, one hundred one".
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