1009112 has 32 divisors (see below), whose sum is σ = 2110080. Its totient is φ = 449280.

The previous prime is 1009097. The next prime is 1009121. The reversal of 1009112 is 2119001.

1009112 is nontrivially palindromic in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3068 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (65940).

2^1009112 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 1009112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055040).

1009112 is an abundant number, since it is smaller than the sum of its proper divisors (1100968).

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

1009112 is a wasteful number, since it uses less digits than its factorization.

1009112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1009112 is about 1004.5456684492. The cubic root of 1009112 is about 100.3028154359.

The spelling of 1009112 in words is "one million, nine thousand, one hundred twelve".