1020534 has 16 divisors (see below), whose sum is σ = 2096688. Its totient is φ = 330912.

The previous prime is 1020529. The next prime is 1020541. The reversal of 1020534 is 4350201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2077 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (131043).

2^1020534 is an apocalyptic number.

1020534 is an abundant number, since it is smaller than the sum of its proper divisors (1076154).

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

1020534 is a wasteful number, since it uses less digits than its factorization.

1020534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1020534 is about 1010.2148286379. The cubic root of 1020534 is about 100.6798344445.

Adding to 1020534 its reverse (4350201), we get a palindrome (5370735).

The spelling of 1020534 in words is "one million, twenty thousand, five hundred thirty-four".