1117370197 has 2 divisors, whose sum is σ = 1117370198. Its totient is φ = 1117370196.

The previous prime is 1117370161. The next prime is 1117370251. The reversal of 1117370197 is 7910737111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083660561 + 33709636 = 32919^2 + 5806^2 .

It is an emirp because it is prime and its reverse (7910737111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1117370197 is a prime.

It is a super-3 number, since 3×1117370197³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117370117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558685098 + 558685099.

It is an arithmetic number, because the mean of its divisors is an integer number (558685099).

Almost surely, 2^1117370197 is an apocalyptic number.

It is an amenable number.

1117370197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117370197 is an equidigital number, since it uses as much as digits as its factorization.

1117370197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261, while the sum is 37.

The square root of 1117370197 is about 33427.0877732416. The cubic root of 1117370197 is about 1037.6853716676.

The spelling of 1117370197 in words is "one billion, one hundred seventeen million, three hundred seventy thousand, one hundred ninety-seven".