1020522 has 16 divisors (see below), whose sum is σ = 2067840. Its totient is φ = 335712.

The previous prime is 1020517. The next prime is 1020529. The reversal of 1020522 is 2250201.

It is a junction number, because it is equal to n+sod(n) for n = 1020498 and 1020507.

It is not an unprimeable number, because it can be changed into a prime (1020529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603 + ... + 1550.

It is an arithmetic number, because the mean of its divisors is an integer number (129240).

2^1020522 is an apocalyptic number.

1020522 is an abundant number, since it is smaller than the sum of its proper divisors (1047318).

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

1020522 is a wasteful number, since it uses less digits than its factorization.

1020522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1020522 is about 1010.2088892897. The cubic root of 1020522 is about 100.6794398267.

Adding to 1020522 its reverse (2250201), we get a palindrome (3270723).

The spelling of 1020522 in words is "one million, twenty thousand, five hundred twenty-two".