Search a number
-
+
121444343 is a prime number
BaseRepresentation
bin1110011110100…
…01011111110111
322110112000022122
413033101133313
5222042204333
620014550155
73003155066
oct717213767
9273460278
10121444343
1162608a29
123480835b
131c211477
14121b41dd
15a9dd798
hex73d17f7

121444343 has 2 divisors, whose sum is σ = 121444344. Its totient is φ = 121444342.

The previous prime is 121444307. The next prime is 121444357. The reversal of 121444343 is 343444121.

It is a strong prime.

It is an emirp because it is prime and its reverse (343444121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121444343 - 28 = 121444087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121444363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60722171 + 60722172.

It is an arithmetic number, because the mean of its divisors is an integer number (60722172).

Almost surely, 2121444343 is an apocalyptic number.

121444343 is a deficient number, since it is larger than the sum of its proper divisors (1).

121444343 is an equidigital number, since it uses as much as digits as its factorization.

121444343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

The square root of 121444343 is about 11020.1789005442. The cubic root of 121444343 is about 495.2134480612.

Adding to 121444343 its reverse (343444121), we get a palindrome (464888464).

The spelling of 121444343 in words is "one hundred twenty-one million, four hundred forty-four thousand, three hundred forty-three".