1066971 has 8 divisors (see below), whose sum is σ = 1506384. Its totient is φ = 669440.

The previous prime is 1066931. The next prime is 1066973. The reversal of 1066971 is 1796601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066971 - 2¹³ = 1058779 is a prime.

It is a super-2 number, since 2×1066971² = 2276854229682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10410 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (188298).

2^1066971 is an apocalyptic number.

1066971 is a deficient number, since it is larger than the sum of its proper divisors (439413).

1066971 is a wasteful number, since it uses less digits than its factorization.

1066971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20941.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1066971 is about 1032.9428832225. The cubic root of 1066971 is about 102.1843072911.

The spelling of 1066971 in words is "one million, sixty-six thousand, nine hundred seventy-one".