1066871441 has 2 divisors, whose sum is σ = 1066871442. Its totient is φ = 1066871440.

The previous prime is 1066871423. The next prime is 1066871461. The reversal of 1066871441 is 1441786601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1061130625 + 5740816 = 32575^2 + 2396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066871441 - 2¹⁴ = 1066855057 is a prime.

It is a super-2 number, since 2×1066871441² = 2276429343242832962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066871395 and 1066871404.

It is not a weakly prime, because it can be changed into another prime (1066871461) 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 as a sum of consecutive naturals, namely, 533435720 + 533435721.

It is an arithmetic number, because the mean of its divisors is an integer number (533435721).

Almost surely, 2^1066871441 is an apocalyptic number.

It is an amenable number.

1066871441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066871441 is an equidigital number, since it uses as much as digits as its factorization.

1066871441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1066871441 is about 32662.9980405963. The cubic root of 1066871441 is about 1021.8112892175.

The spelling of 1066871441 in words is "one billion, sixty-six million, eight hundred seventy-one thousand, four hundred forty-one".