1197117 has 6 divisors (see below), whose sum is σ = 1729182. Its totient is φ = 798072.

The previous prime is 1197113. The next prime is 1197121. The reversal of 1197117 is 7117911.

It is an interprime number because it is at equal distance from previous prime (1197113) and next prime (1197121).

It can be written as a sum of positive squares in only one way, i.e., 1028196 + 168921 = 1014^2 + 411^2 .

It is not a de Polignac number, because 1197117 - 2² = 1197113 is a prime.

It is a super-2 number, since 2×1197117² = 2866178223378, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66498 + ... + 66515.

It is an arithmetic number, because the mean of its divisors is an integer number (288197).

2^1197117 is an apocalyptic number.

It is an amenable number.

1197117 is a deficient number, since it is larger than the sum of its proper divisors (532065).

1197117 is a wasteful number, since it uses less digits than its factorization.

1197117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133019 (or 133016 counting only the distinct ones).

The product of its digits is 441, while the sum is 27.

The square root of 1197117 is about 1094.1284202506. The cubic root of 1197117 is about 106.1806874348.

The spelling of 1197117 in words is "one million, one hundred ninety-seven thousand, one hundred seventeen".