1001021002 has 8 divisors (see below), whose sum is σ = 1519622496. Its totient is φ = 494480172.

The previous prime is 1001020997. The next prime is 1001021057. The reversal of 1001021002 is 2001201001.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014958 + ... + 3015289.

It is an arithmetic number, because the mean of its divisors is an integer number (189952812).

Almost surely, 2^1001021002 is an apocalyptic number.

1001021002 is a deficient number, since it is larger than the sum of its proper divisors (518601494).

1001021002 is an equidigital number, since it uses as much as digits as its factorization.

1001021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030332.

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

The square root of 1001021002 is about 31638.9159422380. The cubic root of 1001021002 is about 1000.3402182384.

Adding to 1001021002 its reverse (2001201001), we get a palindrome (3002222003).

The spelling of 1001021002 in words is "one billion, one million, twenty-one thousand, two".