1128548432 has 20 divisors (see below), whose sum is σ = 2385341376. Its totient is φ = 512976480.

The previous prime is 1128548389. The next prime is 1128548437. The reversal of 1128548432 is 2348458211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128548437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3205928 + ... + 3206279.

Almost surely, 2^1128548432 is an apocalyptic number.

It is an amenable number.

1128548432 is an abundant number, since it is smaller than the sum of its proper divisors (1256792944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128548432 is a wasteful number, since it uses less digits than its factorization.

1128548432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6412226 (or 6412220 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 1128548432 is about 33593.8749179073. The cubic root of 1128548432 is about 1041.1342506731.

The spelling of 1128548432 in words is "one billion, one hundred twenty-eight million, five hundred forty-eight thousand, four hundred thirty-two".