11172127 has 2 divisors, whose sum is σ = 11172128. Its totient is φ = 11172126.

The previous prime is 11172079. The next prime is 11172137. The reversal of 11172127 is 72127111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11172127 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11172098 and 11172107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11172137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586063 + 5586064.

It is an arithmetic number, because the mean of its divisors is an integer number (5586064).

Almost surely, 2^11172127 is an apocalyptic number.

11172127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11172127 is an equidigital number, since it uses as much as digits as its factorization.

11172127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 196, while the sum is 22.

The square root of 11172127 is about 3342.4731861303. The cubic root of 11172127 is about 223.5520317544.

Adding to 11172127 its reverse (72127111), we get a palindrome (83299238).

The spelling of 11172127 in words is "eleven million, one hundred seventy-two thousand, one hundred twenty-seven".