1001442 has 32 divisors (see below), whose sum is σ = 2221632. Its totient is φ = 298944.

The previous prime is 1001431. The next prime is 1001447. The reversal of 1001442 is 2441001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2713 + ... + 3059.

It is an arithmetic number, because the mean of its divisors is an integer number (69426).

2^1001442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1110816).

1001442 is an abundant number, since it is smaller than the sum of its proper divisors (1220190).

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

1001442 is a wasteful number, since it uses less digits than its factorization.

1001442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1001442 is about 1000.7207402667. The cubic root of 1001442 is about 100.0480435811.

Adding to 1001442 its reverse (2441001), we get a palindrome (3442443).

The spelling of 1001442 in words is "one million, one thousand, four hundred forty-two".