1001231002 has 8 divisors (see below), whose sum is σ = 1502282196. Its totient is φ = 500470272.

The previous prime is 1001230991. The next prime is 1001231053. The reversal of 1001231002 is 2001321001.

It can be written as a sum of positive squares in 2 ways, for example, as 963543681 + 37687321 = 31041^2 + 6139^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1001231002.

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, 63783 + ... + 77914.

Almost surely, 2^1001231002 is an apocalyptic number.

1001231002 is a deficient number, since it is larger than the sum of its proper divisors (501051194).

1001231002 is a wasteful number, since it uses less digits than its factorization.

1001231002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145232.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1001231002 is about 31642.2344659792. The cubic root of 1001231002 is about 1000.4101657411.

Adding to 1001231002 its reverse (2001321001), we get a palindrome (3002552003).

It can be divided in two parts, 10012 and 31002, that added together give a palindrome (41014).

The spelling of 1001231002 in words is "one billion, one million, two hundred thirty-one thousand, two".