1128549004 has 48 divisors (see below), whose sum is σ = 2366542080. Its totient is φ = 464840640.

The previous prime is 1128549001. The next prime is 1128549031. The reversal of 1128549004 is 4009458211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1128549001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10119 + ... + 48574.

It is an arithmetic number, because the mean of its divisors is an integer number (49302960).

Almost surely, 2^1128549004 is an apocalyptic number.

It is an amenable number.

1128549004 is an abundant number, since it is smaller than the sum of its proper divisors (1237993076).

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

1128549004 is a wasteful number, since it uses less digits than its factorization.

1128549004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58750 (or 58748 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1128549004 is about 33593.8834313629. The cubic root of 1128549004 is about 1041.1344265712.

The spelling of 1128549004 in words is "one billion, one hundred twenty-eight million, five hundred forty-nine thousand, four".