12091151 has 2 divisors, whose sum is σ = 12091152. Its totient is φ = 12091150.

The previous prime is 12091139. The next prime is 12091153. The reversal of 12091151 is 15119021.

It is a strong prime.

It is an emirp because it is prime and its reverse (15119021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12091151 is a prime.

Together with 12091153, 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 (12091153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6045575 + 6045576.

It is an arithmetic number, because the mean of its divisors is an integer number (6045576).

Almost surely, 2^12091151 is an apocalyptic number.

12091151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12091151 is an equidigital number, since it uses as much as digits as its factorization.

12091151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 12091151 is about 3477.2332392291. The cubic root of 12091151 is about 229.5210638802.

The spelling of 12091151 in words is "twelve million, ninety-one thousand, one hundred fifty-one".