1001441043 has 16 divisors (see below), whose sum is σ = 1508764800. Its totient is φ = 656310600.

The previous prime is 1001441039. The next prime is 1001441047. The reversal of 1001441043 is 3401441001.

It is an interprime number because it is at equal distance from previous prime (1001441039) and next prime (1001441047).

It is not a de Polignac number, because 1001441043 - 2² = 1001441039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001441047) 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, 312733 + ... + 315918.

It is an arithmetic number, because the mean of its divisors is an integer number (94297800).

Almost surely, 2^1001441043 is an apocalyptic number.

1001441043 is a deficient number, since it is larger than the sum of its proper divisors (507323757).

1001441043 is an equidigital number, since it uses as much as digits as its factorization.

1001441043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628719 (or 628713 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1001441043 is about 31645.5532895224. The cubic root of 1001441043 is about 1000.4801171173.

Adding to 1001441043 its reverse (3401441001), we get a palindrome (4402882044).

The spelling of 1001441043 in words is "one billion, one million, four hundred forty-one thousand, forty-three".