1089132004 has 27 divisors (see below), whose sum is σ = 1977446107. Its totient is φ = 524863808.

The previous prime is 1089132001. The next prime is 1089132007. The reversal of 1089132004 is 4002319801.

It is a happy number.

The square root of 1089132004 is 33002.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (1089132001) and next prime (1089132007).

It can be written as a sum of positive squares in 4 ways, for example, as 123165604 + 965966400 = 11098^2 + 31080^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089132001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1913832 + ... + 1914400.

Almost surely, 2^1089132004 is an apocalyptic number.

1089132004 is the 33002-nd square number.

It is an amenable number.

1089132004 is a deficient number, since it is larger than the sum of its proper divisors (888314103).

1089132004 is an frugal number, since it uses more digits than its factorization.

1089132004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The cubic root of 1089132004 is about 1028.8692161842.

The spelling of 1089132004 in words is "one billion, eighty-nine million, one hundred thirty-two thousand, four".