1020606 has 8 divisors (see below), whose sum is σ = 2041224. Its totient is φ = 340200.

The previous prime is 1020599. The next prime is 1020619. The reversal of 1020606 is 6060201.

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

1020606 is an admirable number.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1020606 is a modest number, since divided by 606 gives 102 as remainder.

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, 85045 + ... + 85056.

It is an arithmetic number, because the mean of its divisors is an integer number (255153).

2^1020606 is an apocalyptic number.

1020606 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.

1020606 is a wasteful number, since it uses less digits than its factorization.

1020606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170106.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1020606 is about 1010.2504639940. The cubic root of 1020606 is about 100.6822020866.

Adding to 1020606 its reverse (6060201), we get a palindrome (7080807).

The spelling of 1020606 in words is "one million, twenty thousand, six hundred six".