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12161141 is a prime number
BaseRepresentation
bin101110011001…
…000001110101
3211212211221122
4232121001311
511103124031
61112353325
7205240136
oct56310165
924784848
1012161141
116956933
1240a5845
13269a455
141887c8d
15110347b
hexb99075

12161141 has 2 divisors, whose sum is σ = 12161142. Its totient is φ = 12161140.

The previous prime is 12161119. The next prime is 12161153. The reversal of 12161141 is 14116121.

12161141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 286225 = 3446^2 + 535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12161141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12161041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6080570 + 6080571.

It is an arithmetic number, because the mean of its divisors is an integer number (6080571).

Almost surely, 212161141 is an apocalyptic number.

It is an amenable number.

12161141 is a deficient number, since it is larger than the sum of its proper divisors (1).

12161141 is an equidigital number, since it uses as much as digits as its factorization.

12161141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 17.

The square root of 12161141 is about 3487.2827530901. The cubic root of 12161141 is about 229.9630753578.

Adding to 12161141 its reverse (14116121), we get a palindrome (26277262).

The spelling of 12161141 in words is "twelve million, one hundred sixty-one thousand, one hundred forty-one".