1150243728 has 20 divisors (see below), whose sum is σ = 2971463088. Its totient is φ = 383414560.

The previous prime is 1150243727. The next prime is 1150243781. The reversal of 1150243728 is 8273420511.

It is not an unprimeable number, because it can be changed into a prime (1150243727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11981658 + ... + 11981753.

Almost surely, 2^1150243728 is an apocalyptic number.

It is an amenable number.

1150243728 is an abundant number, since it is smaller than the sum of its proper divisors (1821219360).

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

1150243728 is a wasteful number, since it uses less digits than its factorization.

1150243728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23963422 (or 23963416 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1150243728 is about 33915.2432985523. The cubic root of 1150243728 is about 1047.7635628070.

The spelling of 1150243728 in words is "one billion, one hundred fifty million, two hundred forty-three thousand, seven hundred twenty-eight".