100500019 has 2 divisors, whose sum is σ = 100500020. Its totient is φ = 100500018.

The previous prime is 100500011. The next prime is 100500121. The reversal of 100500019 is 910005001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100500019 - 2³ = 100500011 is a prime.

It is a super-2 number, since 2×100500019² = 20200507638000722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100499975 and 100500011.

It is not a weakly prime, because it can be changed into another prime (100500011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50250009 + 50250010.

It is an arithmetic number, because the mean of its divisors is an integer number (50250010).

Almost surely, 2^100500019 is an apocalyptic number.

100500019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100500019 is an equidigital number, since it uses as much as digits as its factorization.

100500019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 100500019 is about 10024.9697755155. The cubic root of 100500019 is about 464.9312250387.

The spelling of 100500019 in words is "one hundred million, five hundred thousand, nineteen".