1006720001 has 8 divisors (see below), whose sum is σ = 1172245824. Its totient is φ = 846621360.

The previous prime is 1006719979. The next prime is 1006720003. The reversal of 1006720001 is 1000276001.

It is a happy number.

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 1006720001 - 2⁶ = 1006719937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006720003) 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, 1356395 + ... + 1357136.

It is an arithmetic number, because the mean of its divisors is an integer number (146530728).

Almost surely, 2^1006720001 is an apocalyptic number.

It is an amenable number.

1006720001 is a deficient number, since it is larger than the sum of its proper divisors (165525823).

1006720001 is an equidigital number, since it uses as much as digits as its factorization.

1006720001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713591.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1006720001 is about 31728.8512398416. The cubic root of 1006720001 is about 1002.2350013807.

Adding to 1006720001 its reverse (1000276001), we get a palindrome (2006996002).

The spelling of 1006720001 in words is "one billion, six million, seven hundred twenty thousand, one".