1002002999 has 4 divisors (see below), whose sum is σ = 1007249280. Its totient is φ = 996756720.

The previous prime is 1002002993. The next prime is 1002003047. The reversal of 1002002999 is 9992002001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9992002001 = 173 ⋅57757237.

It is a cyclic number.

It is not a de Polignac number, because 1002002999 - 2¹⁶ = 1001937463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002002993) by changing a digit.

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, 2622854 + ... + 2623235.

It is an arithmetic number, because the mean of its divisors is an integer number (251812320).

Almost surely, 2^1002002999 is an apocalyptic number.

1002002999 is a deficient number, since it is larger than the sum of its proper divisors (5246281).

1002002999 is an equidigital number, since it uses as much as digits as its factorization.

1002002999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5246280.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1002002999 is about 31654.4309536596. The cubic root of 1002002999 is about 1000.6672210504.

It can be divided in two parts, 1002002 and 999, that added together give a palindrome (1003001).

The spelling of 1002002999 in words is "one billion, two million, two thousand, nine hundred ninety-nine".