1089932112 has 100 divisors (see below), whose sum is σ = 3320685280. Its totient is φ = 344181312.

The previous prime is 1089932099. The next prime is 1089932113. The reversal of 1089932112 is 2112399801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089932113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2493 + ... + 46755.

Almost surely, 2^1089932112 is an apocalyptic number.

1089932112 is a gapful number since it is divisible by the number (12) 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 1089932112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660342640).

1089932112 is an abundant number, since it is smaller than the sum of its proper divisors (2230753168).

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

1089932112 is a wasteful number, since it uses less digits than its factorization.

1089932112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44302 (or 44287 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1089932112 is about 33014.1198883145. The cubic root of 1089932112 is about 1029.1211002491.

The spelling of 1089932112 in words is "one billion, eighty-nine million, nine hundred thirty-two thousand, one hundred twelve".