1082389120 has 128 divisors (see below), whose sum is σ = 2721882240. Its totient is φ = 411070464.

The previous prime is 1082389103. The next prime is 1082389153. The reversal of 1082389120 is 219832801.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017709 + ... + 1018771.

It is an arithmetic number, because the mean of its divisors is an integer number (21264705).

Almost surely, 2^1082389120 is an apocalyptic number.

1082389120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1082389120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360941120).

1082389120 is an abundant number, since it is smaller than the sum of its proper divisors (1639493120).

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

1082389120 is a wasteful number, since it uses less digits than its factorization.

1082389120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1082389120 is about 32899.6826732417. The cubic root of 1082389120 is about 1026.7415548529.

The spelling of 1082389120 in words is "one billion, eighty-two million, three hundred eighty-nine thousand, one hundred twenty".