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14143121 is a prime number
BaseRepresentation
bin110101111100…
…111010010001
3222121112201022
4311330322101
512110034441
61223045225
7231133406
oct65747221
928545638
1014143121
117a8aa33
1248a0815
132c12615
141c422ad
15139584b
hexd7ce91

14143121 has 2 divisors, whose sum is σ = 14143122. Its totient is φ = 14143120.

The previous prime is 14143109. The next prime is 14143127. The reversal of 14143121 is 12134141.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 4157521 = 3160^2 + 2039^2 .

It is a cyclic number.

It is not a de Polignac number, because 14143121 - 214 = 14126737 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14143121.

It is not a weakly prime, because it can be changed into another prime (14143127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7071560 + 7071561.

It is an arithmetic number, because the mean of its divisors is an integer number (7071561).

Almost surely, 214143121 is an apocalyptic number.

It is an amenable number.

14143121 is a deficient number, since it is larger than the sum of its proper divisors (1).

14143121 is an equidigital number, since it uses as much as digits as its factorization.

14143121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 17.

The square root of 14143121 is about 3760.7341038686. The cubic root of 14143121 is about 241.8327339475.

Adding to 14143121 its reverse (12134141), we get a palindrome (26277262).

The spelling of 14143121 in words is "fourteen million, one hundred forty-three thousand, one hundred twenty-one".