1130021171 has 2 divisors, whose sum is σ = 1130021172. Its totient is φ = 1130021170.

The previous prime is 1130021153. The next prime is 1130021227. The reversal of 1130021171 is 1711200311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130021171 is a prime.

It is a super-2 number, since 2×1130021171² = 2553895693816422482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1130021111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565010585 + 565010586.

It is an arithmetic number, because the mean of its divisors is an integer number (565010586).

Almost surely, 2^1130021171 is an apocalyptic number.

1130021171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130021171 is an equidigital number, since it uses as much as digits as its factorization.

1130021171 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 1130021171 is about 33615.7875261015. The cubic root of 1130021171 is about 1041.5869420740.

Adding to 1130021171 its reverse (1711200311), we get a palindrome (2841221482).

The spelling of 1130021171 in words is "one billion, one hundred thirty million, twenty-one thousand, one hundred seventy-one".