2001234001 has 16 divisors (see below), whose sum is σ = 2232437760. Its totient is φ = 1781236800.

The previous prime is 2001233987. The next prime is 2001234017. The reversal of 2001234001 is 1004321002.

It is a cyclic number.

It is not a de Polignac number, because 2001234001 - 2¹⁵ = 2001201233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001234031) 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, 322276 + ... + 328426.

It is an arithmetic number, because the mean of its divisors is an integer number (139527360).

Almost surely, 2^2001234001 is an apocalyptic number.

It is an amenable number.

2001234001 is a deficient number, since it is larger than the sum of its proper divisors (231203759).

2001234001 is a wasteful number, since it uses less digits than its factorization.

2001234001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2001234001 is about 44735.1539731339. The cubic root of 2001234001 is about 1260.1801205925.

Adding to 2001234001 its reverse (1004321002), we get a palindrome (3005555003).

The spelling of 2001234001 in words is "two billion, one million, two hundred thirty-four thousand, one".