1001012002 has 8 divisors (see below), whose sum is σ = 1520524800. Its totient is φ = 494170404.

The previous prime is 1001011987. The next prime is 1001012087. The reversal of 1001012002 is 2002101001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3167602 + ... + 3167917.

It is an arithmetic number, because the mean of its divisors is an integer number (190065600).

Almost surely, 2^1001012002 is an apocalyptic number.

1001012002 is a deficient number, since it is larger than the sum of its proper divisors (519512798).

1001012002 is an equidigital number, since it uses as much as digits as its factorization.

1001012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335600.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1001012002 is about 31638.7737120136. The cubic root of 1001012002 is about 1000.3372202697.

Adding to 1001012002 its reverse (2002101001), we get a palindrome (3003113003).

The spelling of 1001012002 in words is "one billion, one million, twelve thousand, two".