1001531042 has 16 divisors (see below), whose sum is σ = 1512435840. Its totient is φ = 497396592.

The previous prime is 1001531039. The next prime is 1001531051. The reversal of 1001531042 is 2401351001.

1001531042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1001531042.

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, 209693 + ... + 214415.

It is an arithmetic number, because the mean of its divisors is an integer number (94527240).

Almost surely, 2^1001531042 is an apocalyptic number.

1001531042 is a deficient number, since it is larger than the sum of its proper divisors (510904798).

1001531042 is a wasteful number, since it uses less digits than its factorization.

1001531042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1001531042 is about 31646.9752425094. The cubic root of 1001531042 is about 1000.5100871002.

Adding to 1001531042 its reverse (2401351001), we get a palindrome (3402882043).

The spelling of 1001531042 in words is "one billion, one million, five hundred thirty-one thousand, forty-two".