1002004100 has 18 divisors (see below), whose sum is σ = 2174349114. Its totient is φ = 400801600.

The previous prime is 1002004093. The next prime is 1002004111. The reversal of 1002004100 is 14002001.

It can be written as a sum of positive squares in 3 ways, for example, as 6980164 + 995023936 = 2642^2 + 31544^2 .

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 5 ways as a sum of consecutive naturals, for example, 5009921 + ... + 5010120.

It is an arithmetic number, because the mean of its divisors is an integer number (120797173).

Almost surely, 2^1002004100 is an apocalyptic number.

1002004100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002004100 is an abundant number, since it is smaller than the sum of its proper divisors (1172345014).

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

1002004100 is a wasteful number, since it uses less digits than its factorization.

1002004100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020055 (or 10020048 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1002004100 is about 31654.4483445850. The cubic root of 1002004100 is about 1000.6675875610.

Adding to 1002004100 its reverse (14002001), we get a palindrome (1016006101).

The spelling of 1002004100 in words is "one billion, two million, four thousand, one hundred".