1002320001 has 10 divisors (see below), whose sum is σ = 1497292962. Its totient is φ = 668213280.

The previous prime is 1002319999. The next prime is 1002320021. The reversal of 1002320001 is 1000232001.

It is a happy number.

1002320001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 957964401 + 44355600 = 30951^2 + 6660^2 .

It is not a de Polignac number, because 1002320001 - 2¹ = 1002319999 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1002320021) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6187080 + ... + 6187241.

Almost surely, 2^1002320001 is an apocalyptic number.

It is an amenable number.

1002320001 is a deficient number, since it is larger than the sum of its proper divisors (494972961).

1002320001 is an equidigital number, since it uses as much as digits as its factorization.

1002320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12374333 (or 12374324 counting only the distinct ones).

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

The square root of 1002320001 is about 31659.4377871749. The cubic root of 1002320001 is about 1000.7727363913.

Adding to 1002320001 its reverse (1000232001), we get a palindrome (2002552002).

It can be divided in two parts, 100232000 and 1, that added together give a palindrome (100232001).

The spelling of 1002320001 in words is "one billion, two million, three hundred twenty thousand, one".