1066432201 has 2 divisors, whose sum is σ = 1066432202. Its totient is φ = 1066432200.

The previous prime is 1066432193. The next prime is 1066432217. The reversal of 1066432201 is 1022346601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712089225 + 354342976 = 26685^2 + 18824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066432201 - 2³ = 1066432193 is a prime.

It is a super-2 number, since 2×1066432201² = 2274555278659408802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066432231) 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, 533216100 + 533216101.

It is an arithmetic number, because the mean of its divisors is an integer number (533216101).

Almost surely, 2^1066432201 is an apocalyptic number.

It is an amenable number.

1066432201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066432201 is an equidigital number, since it uses as much as digits as its factorization.

1066432201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1066432201 is about 32656.2735320489. The cubic root of 1066432201 is about 1021.6710405171.

Adding to 1066432201 its reverse (1022346601), we get a palindrome (2088778802).

The spelling of 1066432201 in words is "one billion, sixty-six million, four hundred thirty-two thousand, two hundred one".