Base | Representation |
---|---|
bin | 1110011110100… |
… | …01011111100101 |
3 | 22110112000021222 |
4 | 13033101133211 |
5 | 222042204300 |
6 | 20014550125 |
7 | 3003155042 |
oct | 717213745 |
9 | 273460258 |
10 | 121444325 |
11 | 62608a12 |
12 | 34808345 |
13 | 1c211462 |
14 | 121b41c9 |
15 | a9dd785 |
hex | 73d17e5 |
121444325 has 12 divisors (see below), whose sum is σ = 150810660. Its totient is φ = 97013760.
The previous prime is 121444307. The next prime is 121444343. The reversal of 121444325 is 523444121.
It is an interprime number because it is at equal distance from previous prime (121444307) and next prime (121444343).
It can be written as a sum of positive squares in 6 ways, for example, as 3786916 + 117657409 = 1946^2 + 10847^2 .
It is not a de Polignac number, because 121444325 - 214 = 121427941 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121444294 and 121444303.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16067 + ... + 22383.
It is an arithmetic number, because the mean of its divisors is an integer number (12567555).
Almost surely, 2121444325 is an apocalyptic number.
It is an amenable number.
121444325 is a deficient number, since it is larger than the sum of its proper divisors (29366335).
121444325 is an equidigital number, since it uses as much as digits as its factorization.
121444325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7096 (or 7091 counting only the distinct ones).
The product of its digits is 3840, while the sum is 26.
The square root of 121444325 is about 11020.1780838605. The cubic root of 121444325 is about 495.2134235950.
Adding to 121444325 its reverse (523444121), we get a palindrome (644888446).
The spelling of 121444325 in words is "one hundred twenty-one million, four hundred forty-four thousand, three hundred twenty-five".
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