1121233271 has 2 divisors, whose sum is σ = 1121233272. Its totient is φ = 1121233270.

The previous prime is 1121233261. The next prime is 1121233297. The reversal of 1121233271 is 1723321211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121233271 - 2¹⁰ = 1121232247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121233231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560616635 + 560616636.

It is an arithmetic number, because the mean of its divisors is an integer number (560616636).

Almost surely, 2^1121233271 is an apocalyptic number.

1121233271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121233271 is an equidigital number, since it uses as much as digits as its factorization.

1121233271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 1121233271 is about 33484.8215016894. The cubic root of 1121233271 is about 1038.8798562848.

Adding to 1121233271 its reverse (1723321211), we get a palindrome (2844554482).

The spelling of 1121233271 in words is "one billion, one hundred twenty-one million, two hundred thirty-three thousand, two hundred seventy-one".