1117117 has 2 divisors, whose sum is σ = 1117118. Its totient is φ = 1117116.

The previous prime is 1117111. The next prime is 1117153. The reversal of 1117117 is 7117111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069156 + 47961 = 1034^2 + 219^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117117 - 2⁷ = 1116989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1117094 and 1117103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558558 + 558559.

It is an arithmetic number, because the mean of its divisors is an integer number (558559).

2^1117117 is an apocalyptic number.

It is an amenable number.

1117117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117117 is an equidigital number, since it uses as much as digits as its factorization.

1117117 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 1117117 is about 1056.9375572852. The cubic root of 1117117 is about 103.7606985629.

It can be divided in two parts, 111 and 7117, that multiplied together give a palindrome (789987).

The spelling of 1117117 in words is "one million, one hundred seventeen thousand, one hundred seventeen".