1121144433 has 8 divisors (see below), whose sum is σ = 1517170848. Its totient is φ = 736273824.

The previous prime is 1121144429. The next prime is 1121144447. The reversal of 1121144433 is 3344411211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121144433 - 2² = 1121144429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121144473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2788716 + ... + 2789117.

It is an arithmetic number, because the mean of its divisors is an integer number (189646356).

Almost surely, 2^1121144433 is an apocalyptic number.

It is an amenable number.

1121144433 is a deficient number, since it is larger than the sum of its proper divisors (396026415).

1121144433 is an equidigital number, since it uses as much as digits as its factorization.

1121144433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577903.

The product of its digits is 1152, while the sum is 24.

The square root of 1121144433 is about 33483.4949340716. The cubic root of 1121144433 is about 1038.8524179130.

Adding to 1121144433 its reverse (3344411211), we get a palindrome (4465555644).

The spelling of 1121144433 in words is "one billion, one hundred twenty-one million, one hundred forty-four thousand, four hundred thirty-three".