1128630084 has 24 divisors (see below), whose sum is σ = 2648187360. Its totient is φ = 374107584.

The previous prime is 1128630043. The next prime is 1128630089. The reversal of 1128630084 is 4800368211.

It is not an unprimeable number, because it can be changed into a prime (1128630089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260569 + ... + 264864.

It is an arithmetic number, because the mean of its divisors is an integer number (110341140).

Almost surely, 2^1128630084 is an apocalyptic number.

It is an amenable number.

1128630084 is an abundant number, since it is smaller than the sum of its proper divisors (1519557276).

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

1128630084 is a wasteful number, since it uses less digits than its factorization.

1128630084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525619 (or 525617 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1128630084 is about 33595.0901769887. The cubic root of 1128630084 is about 1041.1593592229.

Adding to 1128630084 its reverse (4800368211), we get a palindrome (5928998295).

The spelling of 1128630084 in words is "one billion, one hundred twenty-eight million, six hundred thirty thousand, eighty-four".