1121733563 has 16 divisors (see below), whose sum is σ = 1146521376. Its totient is φ = 1097349120.

The previous prime is 1121733553. The next prime is 1121733581. The reversal of 1121733563 is 3653371211.

It is a cyclic number.

It is not a de Polignac number, because 1121733563 - 2²² = 1117539259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121733553) 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, 5693981 + ... + 5694177.

It is an arithmetic number, because the mean of its divisors is an integer number (71657586).

Almost surely, 2^1121733563 is an apocalyptic number.

1121733563 is a deficient number, since it is larger than the sum of its proper divisors (24787813).

1121733563 is a wasteful number, since it uses less digits than its factorization.

1121733563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734.

The product of its digits is 11340, while the sum is 32.

The square root of 1121733563 is about 33492.2910981020. The cubic root of 1121733563 is about 1039.0343486671.

The spelling of 1121733563 in words is "one billion, one hundred twenty-one million, seven hundred thirty-three thousand, five hundred sixty-three".