12115151 has 2 divisors, whose sum is σ = 12115152. Its totient is φ = 12115150.

The previous prime is 12115139. The next prime is 12115157. The reversal of 12115151 is 15151121.

It is a strong prime.

It is an emirp because it is prime and its reverse (15151121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12115151 - 2¹⁰ = 12114127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12115157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6057575 + 6057576.

It is an arithmetic number, because the mean of its divisors is an integer number (6057576).

Almost surely, 2^12115151 is an apocalyptic number.

12115151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12115151 is an equidigital number, since it uses as much as digits as its factorization.

12115151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50, while the sum is 17.

The square root of 12115151 is about 3480.6825480069. The cubic root of 12115151 is about 229.6728240365.

Adding to 12115151 its reverse (15151121), we get a palindrome (27266272).

The spelling of 12115151 in words is "twelve million, one hundred fifteen thousand, one hundred fifty-one".