1112028912 has 100 divisors (see below), whose sum is σ = 3242214360. Its totient is φ = 367949952.

The previous prime is 1112028899. The next prime is 1112028913. The reversal of 1112028912 is 2198202111.

It is a super-2 number, since 2×1112028912² = 2473216602247807488, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112028913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 177058 + ... + 183230.

Almost surely, 2^1112028912 is an apocalyptic number.

1112028912 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 1112028912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621107180).

1112028912 is an abundant number, since it is smaller than the sum of its proper divisors (2130185448).

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

1112028912 is a wasteful number, since it uses less digits than its factorization.

1112028912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332 (or 6317 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1112028912 is about 33347.0975048804. The cubic root of 1112028912 is about 1036.0292722408.

The spelling of 1112028912 in words is "one billion, one hundred twelve million, twenty-eight thousand, nine hundred twelve".