1020006 has 32 divisors (see below), whose sum is σ = 2442720. Its totient is φ = 313632.

The previous prime is 1020001. The next prime is 1020007. The reversal of 1020006 is 6000201.

1020006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a self number, because there is not a number n which added to its sum of digits gives 1020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25 + ... + 1428.

It is an arithmetic number, because the mean of its divisors is an integer number (76335).

2^1020006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1221360).

1020006 is an abundant number, since it is smaller than the sum of its proper divisors (1422714).

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

1020006 is a wasteful number, since it uses less digits than its factorization.

1020006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1020006 is about 1009.9534642745. The cubic root of 1020006 is about 100.6624683326.

Adding to 1020006 its reverse (6000201), we get a palindrome (7020207).

The spelling of 1020006 in words is "one million, twenty thousand, six".