1071181171 has 2 divisors, whose sum is σ = 1071181172. Its totient is φ = 1071181170.

The previous prime is 1071181159. The next prime is 1071181201. The reversal of 1071181171 is 1711811701.

It is a weak prime.

It is an emirp because it is prime and its reverse (1711811701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1071181171 - 2¹³ = 1071172979 is a prime.

It is a super-2 number, since 2×1071181171² = 2294858202209862482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071181571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535590585 + 535590586.

It is an arithmetic number, because the mean of its divisors is an integer number (535590586).

Almost surely, 2^1071181171 is an apocalyptic number.

1071181171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071181171 is an equidigital number, since it uses as much as digits as its factorization.

1071181171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 28.

The square root of 1071181171 is about 32728.9042132486. The cubic root of 1071181171 is about 1023.1853423931.

Adding to 1071181171 its reverse (1711811701), we get a palindrome (2782992872).

The spelling of 1071181171 in words is "one billion, seventy-one million, one hundred eighty-one thousand, one hundred seventy-one".