1020766 has 4 divisors (see below), whose sum is σ = 1531152. Its totient is φ = 510382.

The previous prime is 1020757. The next prime is 1020779. The reversal of 1020766 is 6670201.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 255190 + ... + 255193.

It is an arithmetic number, because the mean of its divisors is an integer number (382788).

2^1020766 is an apocalyptic number.

1020766 is a deficient number, since it is larger than the sum of its proper divisors (510386).

1020766 is an equidigital number, since it uses as much as digits as its factorization.

1020766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510385.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1020766 is about 1010.3296491740. The cubic root of 1020766 is about 100.6874631147.

Adding to 1020766 its reverse (6670201), we get a palindrome (7690967).

The spelling of 1020766 in words is "one million, twenty thousand, seven hundred sixty-six".