1009010001 has 8 divisors (see below), whose sum is σ = 1361556000. Its totient is φ = 664568672.

The previous prime is 1009009997. The next prime is 1009010003. The reversal of 1009010001 is 1000109001.

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

It is a cyclic number.

It is not a de Polignac number, because 1009010001 - 2² = 1009009997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1009010003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025876 + ... + 2026373.

It is an arithmetic number, because the mean of its divisors is an integer number (170194500).

Almost surely, 2^1009010001 is an apocalyptic number.

It is an amenable number.

1009010001 is a deficient number, since it is larger than the sum of its proper divisors (352545999).

1009010001 is an equidigital number, since it uses as much as digits as its factorization.

1009010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052335.

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

The square root of 1009010001 is about 31764.9177710253. The cubic root of 1009010001 is about 1002.9943585343.

Adding to 1009010001 its reverse (1000109001), we get a palindrome (2009119002).

The spelling of 1009010001 in words is "one billion, nine million, ten thousand, one".