1092465728 has 42 divisors (see below), whose sum is σ = 2245303866. Its totient is φ = 527371264.

The previous prime is 1092465719. The next prime is 1092465809. The reversal of 1092465728 is 8275642901.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 170250304 + 922215424 = 13048^2 + 30368^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 43676 + ... + 63972.

Almost surely, 2^1092465728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1092465728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122651933).

1092465728 is an abundant number, since it is smaller than the sum of its proper divisors (1152838138).

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

1092465728 is an equidigital number, since it uses as much as digits as its factorization.

1092465728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20367 (or 20328 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1092465728 is about 33052.4693177378. The cubic root of 1092465728 is about 1029.9179021503.

The spelling of 1092465728 in words is "one billion, ninety-two million, four hundred sixty-five thousand, seven hundred twenty-eight".