1012566 has 8 divisors (see below), whose sum is σ = 2025144. Its totient is φ = 337520.

The previous prime is 1012559. The next prime is 1012573. The reversal of 1012566 is 6652101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1012559) and next prime (1012573).

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

1012566 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 84375 + ... + 84386.

It is an arithmetic number, because the mean of its divisors is an integer number (253143).

2^1012566 is an apocalyptic number.

1012566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012566 is a wasteful number, since it uses less digits than its factorization.

1012566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168766.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1012566 is about 1006.2633850041. The cubic root of 1012566 is about 100.4171243205.

Adding to 1012566 its reverse (6652101), we get a palindrome (7664667).

The spelling of 1012566 in words is "one million, twelve thousand, five hundred sixty-six".