1121123241 has 16 divisors (see below), whose sum is σ = 1898198400. Its totient is φ = 640641744.

The previous prime is 1121123203. The next prime is 1121123243. The reversal of 1121123241 is 1423211211.

It is not a de Polignac number, because 1121123241 - 2⁹ = 1121122729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2965746 + ... + 2966123.

It is an arithmetic number, because the mean of its divisors is an integer number (118637400).

Almost surely, 2^1121123241 is an apocalyptic number.

It is an amenable number.

1121123241 is a deficient number, since it is larger than the sum of its proper divisors (777075159).

1121123241 is an equidigital number, since it uses as much as digits as its factorization.

1121123241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5931885 (or 5931879 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1121123241 is about 33483.1784781553. The cubic root of 1121123241 is about 1038.8458723694.

Adding to 1121123241 its reverse (1423211211), we get a palindrome (2544334452).

The spelling of 1121123241 in words is "one billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred forty-one".