1001121002 has 8 divisors (see below), whose sum is σ = 1716207456. Its totient is φ = 429051852.

The previous prime is 1001120999. The next prime is 1001121031. The reversal of 1001121002 is 2001211001.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35754308 + ... + 35754335.

It is an arithmetic number, because the mean of its divisors is an integer number (214525932).

Almost surely, 2^1001121002 is an apocalyptic number.

1001121002 is a deficient number, since it is larger than the sum of its proper divisors (715086454).

1001121002 is an equidigital number, since it uses as much as digits as its factorization.

1001121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71508652.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1001121002 is about 31640.4962350466. The cubic root of 1001121002 is about 1000.3735277929.

Adding to 1001121002 its reverse (2001211001), we get a palindrome (3002332003).

It can be divided in two parts, 10011 and 21002, that added together give a palindrome (31013).

The spelling of 1001121002 in words is "one billion, one million, one hundred twenty-one thousand, two".