1171117 has 2 divisors, whose sum is σ = 1171118. Its totient is φ = 1171116.

The previous prime is 1171111. The next prime is 1171123. The reversal of 1171117 is 7111711.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1171111) and next prime (1171123).

It can be written as a sum of positive squares in only one way, i.e., 1022121 + 148996 = 1011^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 1171117 - 2³ = 1171109 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1171094 and 1171103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1171111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585558 + 585559.

It is an arithmetic number, because the mean of its divisors is an integer number (585559).

2^1171117 is an apocalyptic number.

It is an amenable number.

1171117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171117 is an equidigital number, since it uses as much as digits as its factorization.

1171117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49, while the sum is 19.

The square root of 1171117 is about 1082.1815928946. The cubic root of 1171117 is about 105.4063468124.

Adding to 1171117 its reverse (7111711), we get a palindrome (8282828).

It can be divided in two parts, 11 and 71117, that multiplied together give a palindrome (782287).

The spelling of 1171117 in words is "one million, one hundred seventy-one thousand, one hundred seventeen".