1121304441 has 16 divisors (see below), whose sum is σ = 1610403840. Its totient is φ = 691967760.

The previous prime is 1121304439. The next prime is 1121304461. The reversal of 1121304441 is 1444031211.

It is not a de Polignac number, because 1121304441 - 2¹ = 1121304439 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121304461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259971 + ... + 264248.

It is an arithmetic number, because the mean of its divisors is an integer number (100650240).

Almost surely, 2^1121304441 is an apocalyptic number.

It is an amenable number.

1121304441 is a deficient number, since it is larger than the sum of its proper divisors (489099399).

1121304441 is a wasteful number, since it uses less digits than its factorization.

1121304441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524276.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1121304441 is about 33485.8842051393. The cubic root of 1121304441 is about 1038.9018366990.

Adding to 1121304441 its reverse (1444031211), we get a palindrome (2565335652).

The spelling of 1121304441 in words is "one billion, one hundred twenty-one million, three hundred four thousand, four hundred forty-one".