1010001002 has 4 divisors (see below), whose sum is σ = 1515001506. Its totient is φ = 505000500.

The previous prime is 1010000983. The next prime is 1010001023. The reversal of 1010001002 is 2001000101.

It is a happy number.

1010001002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 549855601 + 460145401 = 23449^2 + 21451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252500249 + ... + 252500252.

Almost surely, 2^1010001002 is an apocalyptic number.

1010001002 is a deficient number, since it is larger than the sum of its proper divisors (505000504).

1010001002 is an equidigital number, since it uses as much as digits as its factorization.

1010001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505000503.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1010001002 is about 31780.5129285227. The cubic root of 1010001002 is about 1003.3226153337.

Adding to 1010001002 its reverse (2001000101), we get a palindrome (3011001103).

Subtracting 1010001002 from its reverse (2001000101), we obtain a palindrome (990999099).

The spelling of 1010001002 in words is "one billion, ten million, one thousand, two".