1144040112 has 140 divisors (see below), whose sum is σ = 3402124264. Its totient is φ = 372314880.

The previous prime is 1144040099. The next prime is 1144040123. The reversal of 1144040112 is 2110404411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 500412 + ... + 502692.

Almost surely, 2^1144040112 is an apocalyptic number.

1144040112 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 1144040112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701062132).

1144040112 is an abundant number, since it is smaller than the sum of its proper divisors (2258084152).

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

1144040112 is an equidigital number, since it uses as much as digits as its factorization.

1144040112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350 (or 2329 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1144040112 is about 33823.6620134485. The cubic root of 1144040112 is about 1045.8765298998.

Adding to 1144040112 its reverse (2110404411), we get a palindrome (3254444523).

The spelling of 1144040112 in words is "one billion, one hundred forty-four million, forty thousand, one hundred twelve".