1006247 has 8 divisors (see below), whose sum is σ = 1162512. Its totient is φ = 860800.

The previous prime is 1006241. The next prime is 1006249. The reversal of 1006247 is 7426001.

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 1006247 - 2⁴ = 1006231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2504 + ... + 2877.

It is an arithmetic number, because the mean of its divisors is an integer number (145314).

2^1006247 is an apocalyptic number.

1006247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1006247 is a deficient number, since it is larger than the sum of its proper divisors (156265).

1006247 is a wasteful number, since it uses less digits than its factorization.

1006247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5409.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1006247 is about 1003.1186370515. The cubic root of 1006247 is about 100.2078012208.

The spelling of 1006247 in words is "one million, six thousand, two hundred forty-seven".