1005000412 has 18 divisors (see below), whose sum is σ = 1904447328. Its totient is φ = 463846032.

The previous prime is 1005000397. The next prime is 1005000427. The reversal of 1005000412 is 2140005001.

It is an interprime number because it is at equal distance from previous prime (1005000397) and next prime (1005000427).

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

It is a junction number, because it is equal to n+sod(n) for n = 1005000392 and 1005000401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 742668 + ... + 744019.

Almost surely, 2^1005000412 is an apocalyptic number.

It is an amenable number.

1005000412 is a deficient number, since it is larger than the sum of its proper divisors (899446916).

1005000412 is a wasteful number, since it uses less digits than its factorization.

1005000412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486717 (or 1486702 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1005000412 is about 31701.7414663611. The cubic root of 1005000412 is about 1001.6640334567.

Adding to 1005000412 its reverse (2140005001), we get a palindrome (3145005413).

The spelling of 1005000412 in words is "one billion, five million, four hundred twelve", and thus it is an aban number.