100002019 has 8 divisors (see below), whose sum is σ = 108762192. Its totient is φ = 91394400.

The previous prime is 100002017. The next prime is 100002031. The reversal of 100002019 is 910200001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100002019 - 2¹ = 100002017 is a prime.

It is a super-2 number, since 2×100002019² = 20000807608152722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100002011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36769 + ... + 39394.

It is an arithmetic number, because the mean of its divisors is an integer number (13595274).

Almost surely, 2^100002019 is an apocalyptic number.

100002019 is a deficient number, since it is larger than the sum of its proper divisors (8760173).

100002019 is a wasteful number, since it uses less digits than its factorization.

100002019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76277.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 100002019 is about 10000.1009494905. The cubic root of 100002019 is about 464.1620071295.

The spelling of 100002019 in words is "one hundred million, two thousand, nineteen".