1089021024 has 480 divisors, whose sum is σ = 4166426880. Its totient is φ = 272097792.

The previous prime is 1089021019. The next prime is 1089021047. The reversal of 1089021024 is 4201209801.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 57316887 + ... + 57316905.

It is an arithmetic number, because the mean of its divisors is an integer number (8680056).

Almost surely, 2^1089021024 is an apocalyptic number.

1089021024 is a gapful number since it is divisible by the number (14) 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 1089021024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083213440).

1089021024 is an abundant number, since it is smaller than the sum of its proper divisors (3077405856).

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

1089021024 is an frugal number, since it uses more digits than its factorization.

1089021024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1089021024 is about 33000.3185439171. The cubic root of 1089021024 is about 1028.8342685427.

The spelling of 1089021024 in words is "one billion, eighty-nine million, twenty-one thousand, twenty-four".