1000000002 has 32 divisors (see below), whose sum is σ = 2049113088. Its totient is φ = 325167696.

The previous prime is 999999937. The next prime is 1000000007. The reversal of 1000000002 is 2000000001.

It is a Harshad number since it is a multiple of its sum of digits (3).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (1000000007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251643 + ... + 255585.

It is an arithmetic number, because the mean of its divisors is an integer number (64034784).

Almost surely, 2^1000000002 is an apocalyptic number.

1000000002 is an abundant number, since it is smaller than the sum of its proper divisors (1049113086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000000002 is a wasteful number, since it uses less digits than its factorization.

1000000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974.

The product of its (nonzero) digits is 2, while the sum is 3.

The square root of 1000000002 is about 31622.7766333066. The cubic root of 1000000002 is about 1000.0000006667. Note that the first 6 decimals are identical.

Adding to 1000000002 its reverse (2000000001), we get a palindrome (3000000003).

Subtracting 1000000002 from its reverse (2000000001), we obtain a palindrome (999999999).

The spelling of 1000000002 in words is "one billion, two", and thus it is an aban number and an uban number.