1001044142 has 8 divisors (see below), whose sum is σ = 1716075696. Its totient is φ = 429018912.

The previous prime is 1001044141. The next prime is 1001044147. The reversal of 1001044142 is 2414401001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1001044142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001044141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35751563 + ... + 35751590.

It is an arithmetic number, because the mean of its divisors is an integer number (214509462).

Almost surely, 2^1001044142 is an apocalyptic number.

1001044142 is a deficient number, since it is larger than the sum of its proper divisors (715031554).

1001044142 is an equidigital number, since it uses as much as digits as its factorization.

1001044142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71503162.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1001044142 is about 31639.2816290130. The cubic root of 1001044142 is about 1000.3479262666.

Adding to 1001044142 its reverse (2414401001), we get a palindrome (3415445143).

The spelling of 1001044142 in words is "one billion, one million, forty-four thousand, one hundred forty-two".