1091741112 has 256 divisors, whose sum is σ = 3875558400. Its totient is φ = 276480000.

The previous prime is 1091741107. The next prime is 1091741113. The reversal of 1091741112 is 2111471901.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (1091741113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 681112 + ... + 682712.

It is an arithmetic number, because the mean of its divisors is an integer number (15138900).

Almost surely, 2^1091741112 is an apocalyptic number.

1091741112 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 1091741112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937779200).

1091741112 is an abundant number, since it is smaller than the sum of its proper divisors (2783817288).

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

1091741112 is a wasteful number, since it uses less digits than its factorization.

1091741112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 1091741112 is about 33041.5058978855. The cubic root of 1091741112 is about 1029.6901421287.

The spelling of 1091741112 in words is "one billion, ninety-one million, seven hundred forty-one thousand, one hundred twelve".