1044002001 has 16 divisors (see below), whose sum is σ = 1645718400. Its totient is φ = 576000768.

The previous prime is 1044001997. The next prime is 1044002017. The reversal of 1044002001 is 1002004401.

It is not a de Polignac number, because 1044002001 - 2² = 1044001997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1044002021) 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, 856536 + ... + 857753.

It is an arithmetic number, because the mean of its divisors is an integer number (102857400).

Almost surely, 2^1044002001 is an apocalyptic number.

It is an amenable number.

1044002001 is a deficient number, since it is larger than the sum of its proper divisors (601716399).

1044002001 is a wasteful number, since it uses less digits than its factorization.

1044002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714328.

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

The square root of 1044002001 is about 32311.0198074898. The cubic root of 1044002001 is about 1014.4573125216.

Adding to 1044002001 its reverse (1002004401), we get a palindrome (2046006402).

The spelling of 1044002001 in words is "one billion, forty-four million, two thousand, one".