1163236117 has 2 divisors, whose sum is σ = 1163236118. Its totient is φ = 1163236116.

The previous prime is 1163236073. The next prime is 1163236127. The reversal of 1163236117 is 7116323611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1128355281 + 34880836 = 33591^2 + 5906^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163236117 - 2⁷ = 1163235989 is a prime.

It is a super-3 number, since 3×1163236117³ (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 (1163236127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581618058 + 581618059.

It is an arithmetic number, because the mean of its divisors is an integer number (581618059).

Almost surely, 2^1163236117 is an apocalyptic number.

It is an amenable number.

1163236117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163236117 is an equidigital number, since it uses as much as digits as its factorization.

1163236117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 1163236117 is about 34106.2474775517. The cubic root of 1163236117 is about 1051.6937491955.

Adding to 1163236117 its reverse (7116323611), we get a palindrome (8279559728).

The spelling of 1163236117 in words is "one billion, one hundred sixty-three million, two hundred thirty-six thousand, one hundred seventeen".