11722127 has 2 divisors, whose sum is σ = 11722128. Its totient is φ = 11722126.

The previous prime is 11722097. The next prime is 11722133. The reversal of 11722127 is 72122711.

It is a strong prime.

It is an emirp because it is prime and its reverse (72122711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11722127 is a prime.

It is a super-2 number, since 2×11722127² = 274816522808258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11722927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861063 + 5861064.

It is an arithmetic number, because the mean of its divisors is an integer number (5861064).

Almost surely, 2^11722127 is an apocalyptic number.

11722127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11722127 is an equidigital number, since it uses as much as digits as its factorization.

11722127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 392, while the sum is 23.

The square root of 11722127 is about 3423.7591912984. The cubic root of 11722127 is about 227.1618903774.

Adding to 11722127 its reverse (72122711), we get a palindrome (83844838).

The spelling of 11722127 in words is "eleven million, seven hundred twenty-two thousand, one hundred twenty-seven".