1121543152 has 20 divisors (see below), whose sum is σ = 2177953360. Its totient is φ = 559490688.

The previous prime is 1121543119. The next prime is 1121543161. The reversal of 1121543152 is 2513451211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72813 + ... + 86860.

It is an arithmetic number, because the mean of its divisors is an integer number (108897668).

Almost surely, 2^1121543152 is an apocalyptic number.

It is an amenable number.

1121543152 is a deficient number, since it is larger than the sum of its proper divisors (1056410208).

1121543152 is a wasteful number, since it uses less digits than its factorization.

1121543152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160120 (or 160114 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 1121543152 is about 33489.4483681054. The cubic root of 1121543152 is about 1038.9755543237.

Adding to 1121543152 its reverse (2513451211), we get a palindrome (3634994363).

The spelling of 1121543152 in words is "one billion, one hundred twenty-one million, five hundred forty-three thousand, one hundred fifty-two".