1066207047 has 4 divisors (see below), whose sum is σ = 1421609400. Its totient is φ = 710804696.

The previous prime is 1066207039. The next prime is 1066207061. The reversal of 1066207047 is 7407026601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1066207047 - 2³ = 1066207039 is a prime.

It is a super-2 number, since 2×1066207047² = 2273594934144920418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066206999 and 1066207017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066207027) 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 3 ways as a sum of consecutive naturals, for example, 177701172 + ... + 177701177.

It is an arithmetic number, because the mean of its divisors is an integer number (355402350).

Almost surely, 2^1066207047 is an apocalyptic number.

1066207047 is a deficient number, since it is larger than the sum of its proper divisors (355402353).

1066207047 is an equidigital number, since it uses as much as digits as its factorization.

1066207047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355402352.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 1066207047 is about 32652.8260185853. The cubic root of 1066207047 is about 1021.5991342387.

The spelling of 1066207047 in words is "one billion, sixty-six million, two hundred seven thousand, forty-seven".