1005012115 has 8 divisors (see below), whose sum is σ = 1217955888. Its totient is φ = 796048800.

The previous prime is 1005012083. The next prime is 1005012133. The reversal of 1005012115 is 5112105001.

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

It is not a de Polignac number, because 1005012115 - 2⁵ = 1005012083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 994557 + ... + 995566.

It is an arithmetic number, because the mean of its divisors is an integer number (152244486).

Almost surely, 2^1005012115 is an apocalyptic number.

1005012115 is a deficient number, since it is larger than the sum of its proper divisors (212943773).

1005012115 is a wasteful number, since it uses less digits than its factorization.

1005012115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990229.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 1005012115 is about 31701.9260455891. The cubic root of 1005012115 is about 1001.6679214912.

Adding to 1005012115 its reverse (5112105001), we get a palindrome (6117117116).

The spelling of 1005012115 in words is "one billion, five million, twelve thousand, one hundred fifteen".