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244000121 is a prime number
BaseRepresentation
bin11101000101100…
…10010101111001
3122000010111020112
432202302111321
5444431000441
640113434105
76021652421
oct1642622571
9560114215
10244000121
111158059a2
126986b935
133b721791
1424597481
151664b4eb
hexe8b2579

244000121 has 2 divisors, whose sum is σ = 244000122. Its totient is φ = 244000120.

The previous prime is 244000117. The next prime is 244000129. The reversal of 244000121 is 121000442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183331600 + 60668521 = 13540^2 + 7789^2 .

It is a cyclic number.

It is not a de Polignac number, because 244000121 - 22 = 244000117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244000096 and 244000105.

It is not a weakly prime, because it can be changed into another prime (244000129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122000060 + 122000061.

It is an arithmetic number, because the mean of its divisors is an integer number (122000061).

Almost surely, 2244000121 is an apocalyptic number.

It is an amenable number.

244000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

244000121 is an equidigital number, since it uses as much as digits as its factorization.

244000121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 244000121 is about 15620.5032249284. The cubic root of 244000121 is about 624.8800802456.

Adding to 244000121 its reverse (121000442), we get a palindrome (365000563).

The spelling of 244000121 in words is "two hundred forty-four million, one hundred twenty-one", and thus it is an aban number.