1121534443 has 2 divisors, whose sum is σ = 1121534444. Its totient is φ = 1121534442.

The previous prime is 1121534423. The next prime is 1121534483. The reversal of 1121534443 is 3444351211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121534443 - 2²⁵ = 1087980011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121534423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560767221 + 560767222.

It is an arithmetic number, because the mean of its divisors is an integer number (560767222).

Almost surely, 2^1121534443 is an apocalyptic number.

1121534443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121534443 is an equidigital number, since it uses as much as digits as its factorization.

1121534443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 1121534443 is about 33489.3183418236. The cubic root of 1121534443 is about 1038.9728650346.

Adding to 1121534443 its reverse (3444351211), we get a palindrome (4565885654).

The spelling of 1121534443 in words is "one billion, one hundred twenty-one million, five hundred thirty-four thousand, four hundred forty-three".