1066247 has 8 divisors (see below), whose sum is σ = 1312416. Its totient is φ = 843552.

The previous prime is 1066237. The next prime is 1066253. The reversal of 1066247 is 7426601.

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 1066247 - 2⁴ = 1066231 is a prime.

It is a super-2 number, since 2×1066247² = 2273765330018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5768 + ... + 5949.

It is an arithmetic number, because the mean of its divisors is an integer number (164052).

2^1066247 is an apocalyptic number.

1066247 is a deficient number, since it is larger than the sum of its proper divisors (246169).

1066247 is a wasteful number, since it uses less digits than its factorization.

1066247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11737.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1066247 is about 1032.5923687496. The cubic root of 1066247 is about 102.1611894562.

The spelling of 1066247 in words is "one million, sixty-six thousand, two hundred forty-seven".