1017055447 has 12 divisors (see below), whose sum is σ = 1084179096. Its totient is φ = 953882240.

The previous prime is 1017055441. The next prime is 1017055463. The reversal of 1017055447 is 7445507101.

It is not a de Polignac number, because 1017055447 - 2³ = 1017055439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017055441) 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 11 ways as a sum of consecutive naturals, for example, 78672 + ... + 90682.

It is an arithmetic number, because the mean of its divisors is an integer number (90348258).

Almost surely, 2^1017055447 is an apocalyptic number.

1017055447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1017055447 is a deficient number, since it is larger than the sum of its proper divisors (67123649).

1017055447 is a wasteful number, since it uses less digits than its factorization.

1017055447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12338 (or 12321 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 1017055447 is about 31891.3067621883. The cubic root of 1017055447 is about 1005.6531308904.

The spelling of 1017055447 in words is "one billion, seventeen million, fifty-five thousand, four hundred forty-seven".