1066745 has 4 divisors (see below), whose sum is σ = 1280100. Its totient is φ = 853392.

The previous prime is 1066729. The next prime is 1066753. The reversal of 1066745 is 5476601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 942841 = 352^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066745 - 2⁴ = 1066729 is a prime.

It is a super-2 number, since 2×1066745² = 2275889790050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106670 + ... + 106679.

It is an arithmetic number, because the mean of its divisors is an integer number (320025).

2^1066745 is an apocalyptic number.

It is an amenable number.

1066745 is a deficient number, since it is larger than the sum of its proper divisors (213355).

1066745 is an equidigital number, since it uses as much as digits as its factorization.

1066745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213354.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1066745 is about 1032.8334812544. The cubic root of 1066745 is about 102.1770920734.

The spelling of 1066745 in words is "one million, sixty-six thousand, seven hundred forty-five".