12145241 has 2 divisors, whose sum is σ = 12145242. Its totient is φ = 12145240.

The previous prime is 12145201. The next prime is 12145261. The reversal of 12145241 is 14254121.

It is a happy number.

12145241 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12145261) can be obtained adding 12145241 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 16 = 3485^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 12145241 - 2¹⁰ = 12144217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12145201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072620 + 6072621.

It is an arithmetic number, because the mean of its divisors is an integer number (6072621).

Almost surely, 2^12145241 is an apocalyptic number.

It is an amenable number.

12145241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12145241 is an equidigital number, since it uses as much as digits as its factorization.

12145241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 20.

The square root of 12145241 is about 3485.0022955516. The cubic root of 12145241 is about 229.8628104355.

Adding to 12145241 its reverse (14254121), we get a palindrome (26399362).

The spelling of 12145241 in words is "twelve million, one hundred forty-five thousand, two hundred forty-one".