12243151 has 2 divisors, whose sum is σ = 12243152. Its totient is φ = 12243150.

The previous prime is 12243139. The next prime is 12243157. The reversal of 12243151 is 15134221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12243151 - 2²¹ = 10145999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12243157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121575 + 6121576.

It is an arithmetic number, because the mean of its divisors is an integer number (6121576).

Almost surely, 2^12243151 is an apocalyptic number.

12243151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12243151 is an equidigital number, since it uses as much as digits as its factorization.

12243151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 12243151 is about 3499.0214346300. The cubic root of 12243151 is about 230.4788448548.

Adding to 12243151 its reverse (15134221), we get a palindrome (27377372).

The spelling of 12243151 in words is "twelve million, two hundred forty-three thousand, one hundred fifty-one".