1120545563 has 2 divisors, whose sum is σ = 1120545564. Its totient is φ = 1120545562.

The previous prime is 1120545551. The next prime is 1120545631. The reversal of 1120545563 is 3655450211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120545563 - 2¹⁰ = 1120544539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120541563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560272781 + 560272782.

It is an arithmetic number, because the mean of its divisors is an integer number (560272782).

Almost surely, 2^1120545563 is an apocalyptic number.

1120545563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120545563 is an equidigital number, since it uses as much as digits as its factorization.

1120545563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 1120545563 is about 33474.5509753305. The cubic root of 1120545563 is about 1038.6674139903.

Adding to 1120545563 its reverse (3655450211), we get a palindrome (4775995774).

The spelling of 1120545563 in words is "one billion, one hundred twenty million, five hundred forty-five thousand, five hundred sixty-three".