1112291040 has 384 divisors, whose sum is σ = 4302305280. Its totient is φ = 236003328.

The previous prime is 1112291023. The next prime is 1112291093. The reversal of 1112291040 is 401922111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1112290998 and 1112291016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2859166 + ... + 2859554.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^1112291040 is an apocalyptic number.

1112291040 is a gapful number since it is divisible by the number (10) 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 1112291040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151152640).

1112291040 is an abundant number, since it is smaller than the sum of its proper divisors (3190014240).

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

1112291040 is a wasteful number, since it uses less digits than its factorization.

1112291040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1112291040 is about 33351.0275703763. The cubic root of 1112291040 is about 1036.1106702880.

The spelling of 1112291040 in words is "one billion, one hundred twelve million, two hundred ninety-one thousand, forty".