1000005019 has 8 divisors (see below), whose sum is σ = 1078197120. Its totient is φ = 921994176.

The previous prime is 1000005001. The next prime is 1000005029. The reversal of 1000005019 is 9105000001.

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 1000005019 - 2⁷ = 1000004891 is a prime.

It is a super-2 number, since 2×1000005019² = 2000020076050380722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000004993 and 1000005011.

It is not an unprimeable number, because it can be changed into a prime (1000005029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33739 + ... + 56020.

It is an arithmetic number, because the mean of its divisors is an integer number (134774640).

Almost surely, 2^1000005019 is an apocalyptic number.

1000005019 is a deficient number, since it is larger than the sum of its proper divisors (78192101).

1000005019 is an equidigital number, since it uses as much as digits as its factorization.

1000005019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90629.

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

The square root of 1000005019 is about 31622.8559589421. The cubic root of 1000005019 is about 1000.0016729972.

The spelling of 1000005019 in words is "one billion, five thousand, nineteen".