102003000019 has 4 divisors (see below), whose sum is σ = 102003778800. Its totient is φ = 102002221240.

The previous prime is 102002999963. The next prime is 102003000037. The reversal of 102003000019 is 910000300201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102003000019 - 2⁹ = 102002999507 is a prime.

It is a super-2 number, since 2×102003000019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002999966 and 102003000011.

It is not an unprimeable number, because it can be changed into a prime (102003000119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139444 + ... + 472705.

It is an arithmetic number, because the mean of its divisors is an integer number (25500944700).

Almost surely, 2^102003000019 is an apocalyptic number.

102003000019 is a deficient number, since it is larger than the sum of its proper divisors (778781).

102003000019 is an equidigital number, since it uses as much as digits as its factorization.

102003000019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778780.

The product of its (nonzero) digits is 54, while the sum is 16.

The spelling of 102003000019 in words is "one hundred two billion, three million, nineteen", and thus it is an aban number.