1001442112 has 56 divisors (see below), whose sum is σ = 2182672800. Its totient is φ = 452098560.

The previous prime is 1001442107. The next prime is 1001442133. The reversal of 1001442112 is 2112441001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 100123 + ... + 109669.

It is an arithmetic number, because the mean of its divisors is an integer number (38976300).

Almost surely, 2^1001442112 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 1001442112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091336400).

1001442112 is an abundant number, since it is smaller than the sum of its proper divisors (1181230688).

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

1001442112 is a wasteful number, since it uses less digits than its factorization.

1001442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719 (or 9709 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1001442112 is about 31645.5701797266. The cubic root of 1001442112 is about 1000.4804731086.

Adding to 1001442112 its reverse (2112441001), we get a palindrome (3113883113).

The spelling of 1001442112 in words is "one billion, one million, four hundred forty-two thousand, one hundred twelve".