1020530 has 32 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 342720.

The previous prime is 1020529. The next prime is 1020541. The reversal of 1020530 is 350201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4151 + ... + 4389.

It is an arithmetic number, because the mean of its divisors is an integer number (66960).

2^1020530 is an apocalyptic number.

1020530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020530 is an abundant number, since it is smaller than the sum of its proper divisors (1122190).

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

1020530 is a wasteful number, since it uses less digits than its factorization.

1020530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 1020530 is about 1010.2128488591. The cubic root of 1020530 is about 100.6797029056.

Adding to 1020530 its reverse (350201), we get a palindrome (1370731).

The spelling of 1020530 in words is "one million, twenty thousand, five hundred thirty".