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12141191 is a prime number
BaseRepresentation
bin101110010100…
…001010000111
3211211211120202
4232110022013
511102004231
61112121115
7205125026
oct56241207
924754522
1012141191
116942947
12409619b
13269134a
1418808bd
1510ec5cb
hexb94287

12141191 has 2 divisors, whose sum is σ = 12141192. Its totient is φ = 12141190.

The previous prime is 12141163. The next prime is 12141193. The reversal of 12141191 is 19114121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12141191 - 26 = 12141127 is a prime.

It is a Sophie Germain prime.

Together with 12141193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12141193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6070595 + 6070596.

It is an arithmetic number, because the mean of its divisors is an integer number (6070596).

Almost surely, 212141191 is an apocalyptic number.

12141191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12141191 is an equidigital number, since it uses as much as digits as its factorization.

12141191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 20.

The square root of 12141191 is about 3484.4211857926. The cubic root of 12141191 is about 229.8372572749.

The spelling of 12141191 in words is "twelve million, one hundred forty-one thousand, one hundred ninety-one".