1020624 has 40 divisors (see below), whose sum is σ = 2877792. Its totient is φ = 309120.

The previous prime is 1020619. The next prime is 1020631. The reversal of 1020624 is 4260201.

1020624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 439 + ... + 1494.

2^1020624 is an apocalyptic number.

It is an amenable number.

1020624 is an abundant number, since it is smaller than the sum of its proper divisors (1857168).

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

1020624 is a wasteful number, since it uses less digits than its factorization.

1020624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020624 is about 1010.2593726366. The cubic root of 1020624 is about 100.6827939797.

Adding to 1020624 its reverse (4260201), we get a palindrome (5280825).

The spelling of 1020624 in words is "one million, twenty thousand, six hundred twenty-four".