1128987584 has 14 divisors (see below), whose sum is σ = 2240334864. Its totient is φ = 564493760.

The previous prime is 1128987583. The next prime is 1128987593. The reversal of 1128987584 is 4857898211.

It is a super-2 number, since 2×1128987584² = 2549225929652314112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128987583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8820152 + ... + 8820279.

Almost surely, 2^1128987584 is an apocalyptic number.

It is an amenable number.

1128987584 is a deficient number, since it is larger than the sum of its proper divisors (1111347280).

1128987584 is an equidigital number, since it uses as much as digits as its factorization.

1128987584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640443 (or 17640433 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 53.

The square root of 1128987584 is about 33600.4104736832. The cubic root of 1128987584 is about 1041.2692786680.

The spelling of 1128987584 in words is "one billion, one hundred twenty-eight million, nine hundred eighty-seven thousand, five hundred eighty-four".