10001002 has 16 divisors (see below), whose sum is σ = 16565472. Its totient is φ = 4490320.

The previous prime is 10000993. The next prime is 10001009. The reversal of 10001002 is 20010001.

It is a junction number, because it is equal to n+sod(n) for n = 10000982 and 10001000.

It is not an unprimeable number, because it can be changed into a prime (10001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913 + ... + 4564.

It is an arithmetic number, because the mean of its divisors is an integer number (1035342).

Almost surely, 2^10001002 is an apocalyptic number.

10001002 is a deficient number, since it is larger than the sum of its proper divisors (6564470).

10001002 is a wasteful number, since it uses less digits than its factorization.

10001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573.

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 10001002 is about 3162.4360863107. The cubic root of 10001002 is about 215.4506645747.

Adding to 10001002 its reverse (20010001), we get a palindrome (30011003).

Multiplying 10001002 by its reverse (20010001), we get a palindrome (200120060021002).

It can be divided in two parts, 1000 and 1002, that added together give a palindrome (2002).

The spelling of 10001002 in words is "ten million, one thousand, two".