2001302001 has 12 divisors (see below), whose sum is σ = 2957997328. Its totient is φ = 1303173144.

The previous prime is 2001301987. The next prime is 2001302003. The reversal of 2001302001 is 1002031002.

It is a happy number.

It is not a de Polignac number, because 2001302001 - 2¹³ = 2001293809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001302003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2585275 + ... + 2586048.

Almost surely, 2^2001302001 is an apocalyptic number.

It is an amenable number.

2001302001 is a deficient number, since it is larger than the sum of its proper divisors (956695327).

2001302001 is a wasteful number, since it uses less digits than its factorization.

2001302001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171372 (or 5171369 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2001302001 is about 44735.9139953572. The cubic root of 2001302001 is about 1260.1943936656.

Adding to 2001302001 its reverse (1002031002), we get a palindrome (3003333003).

The spelling of 2001302001 in words is "two billion, one million, three hundred two thousand, one".