1121041171 has 2 divisors, whose sum is σ = 1121041172. Its totient is φ = 1121041170.

The previous prime is 1121041169. The next prime is 1121041177. The reversal of 1121041171 is 1711401211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121041171 - 2¹ = 1121041169 is a prime.

Together with 1121041169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1121041177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560520585 + 560520586.

It is an arithmetic number, because the mean of its divisors is an integer number (560520586).

Almost surely, 2^1121041171 is an apocalyptic number.

1121041171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121041171 is an equidigital number, since it uses as much as digits as its factorization.

1121041171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

The square root of 1121041171 is about 33481.9529149660. The cubic root of 1121041171 is about 1038.8205227444.

Adding to 1121041171 its reverse (1711401211), we get a palindrome (2832442382).

The spelling of 1121041171 in words is "one billion, one hundred twenty-one million, forty-one thousand, one hundred seventy-one".