1005065047 has 8 divisors (see below), whose sum is σ = 1156356000. Its totient is φ = 855701664.

The previous prime is 1005065029. The next prime is 1005065071. The reversal of 1005065047 is 7405605001.

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 1005065047 - 2¹¹ = 1005062999 is a prime.

It is a super-2 number, since 2×1005065047² = 2020311497402224418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005065147) 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, 480772 + ... + 482857.

It is an arithmetic number, because the mean of its divisors is an integer number (144544500).

Almost surely, 2^1005065047 is an apocalyptic number.

1005065047 is a deficient number, since it is larger than the sum of its proper divisors (151290953).

1005065047 is an equidigital number, since it uses as much as digits as its factorization.

1005065047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963785.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1005065047 is about 31702.7608734634. The cubic root of 1005065047 is about 1001.6855064718.

The spelling of 1005065047 in words is "one billion, five million, sixty-five thousand, forty-seven".