1066071 has 16 divisors (see below), whose sum is σ = 1526400. Its totient is φ = 659808.

The previous prime is 1066067. The next prime is 1066111. The reversal of 1066071 is 1706601.

It is not a de Polignac number, because 1066071 - 2² = 1066067 is a prime.

It is a super-2 number, since 2×1066071² = 2273014754082, which contains 22 as substring.

1066071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3205 + ... + 3521.

It is an arithmetic number, because the mean of its divisors is an integer number (95400).

2^1066071 is an apocalyptic number.

1066071 is a deficient number, since it is larger than the sum of its proper divisors (460329).

1066071 is a wasteful number, since it uses less digits than its factorization.

1066071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1066071 is about 1032.5071428324. The cubic root of 1066071 is about 102.1555680699.

It can be divided in two parts, 10660 and 71, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 1066071 in words is "one million, sixty-six thousand, seventy-one".