1121030171 has 2 divisors, whose sum is σ = 1121030172. Its totient is φ = 1121030170.

The previous prime is 1121030137. The next prime is 1121030237. The reversal of 1121030171 is 1710301211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121030171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121030671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560515085 + 560515086.

It is an arithmetic number, because the mean of its divisors is an integer number (560515086).

Almost surely, 2^1121030171 is an apocalyptic number.

1121030171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121030171 is an equidigital number, since it uses as much as digits as its factorization.

1121030171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 1121030171 is about 33481.7886469645. The cubic root of 1121030171 is about 1038.8171249914.

Adding to 1121030171 its reverse (1710301211), we get a palindrome (2831331382).

The spelling of 1121030171 in words is "one billion, one hundred twenty-one million, thirty thousand, one hundred seventy-one".