1057170443 has 12 divisors (see below), whose sum is σ = 1249933392. Its totient is φ = 891288720.

The previous prime is 1057170407. The next prime is 1057170487. The reversal of 1057170443 is 3440717501.

It is not a de Polignac number, because 1057170443 - 2¹⁰ = 1057169419 is a prime.

It is a super-2 number, since 2×1057170443² = 2235218691105632498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057170403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173855 + ... + 179832.

It is an arithmetic number, because the mean of its divisors is an integer number (104161116).

Almost surely, 2^1057170443 is an apocalyptic number.

1057170443 is a deficient number, since it is larger than the sum of its proper divisors (192762949).

1057170443 is an equidigital number, since it uses as much as digits as its factorization.

1057170443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353762 (or 353755 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1057170443 is about 32514.1575778921. The cubic root of 1057170443 is about 1018.7047647096.

Adding to 1057170443 its reverse (3440717501), we get a palindrome (4497887944).

The spelling of 1057170443 in words is "one billion, fifty-seven million, one hundred seventy thousand, four hundred forty-three".