1311127 has 2 divisors, whose sum is σ = 1311128. Its totient is φ = 1311126.

The previous prime is 1311109. The next prime is 1311131. The reversal of 1311127 is 7211131.

It is a strong prime.

It is an emirp because it is prime and its reverse (7211131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1311127 - 2⁷ = 1310999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655563 + 655564.

It is an arithmetic number, because the mean of its divisors is an integer number (655564).

2^1311127 is an apocalyptic number.

1311127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311127 is an equidigital number, since it uses as much as digits as its factorization.

1311127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42, while the sum is 16.

The square root of 1311127 is about 1145.0445406184. The cubic root of 1311127 is about 109.4497868924.

Adding to 1311127 its reverse (7211131), we get a palindrome (8522258).

The spelling of 1311127 in words is "one million, three hundred eleven thousand, one hundred twenty-seven".