1024645 has 8 divisors (see below), whose sum is σ = 1242360. Its totient is φ = 811200.

The previous prime is 1024633. The next prime is 1024663. The reversal of 1024645 is 5464201.

1024645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 334084 = 831^2 + 578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1024645 - 2¹³ = 1016453 is a prime.

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, 510 + ... + 1519.

It is an arithmetic number, because the mean of its divisors is an integer number (155295).

2^1024645 is an apocalyptic number.

It is an amenable number.

1024645 is a deficient number, since it is larger than the sum of its proper divisors (217715).

1024645 is a wasteful number, since it uses less digits than its factorization.

1024645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1024645 is about 1012.2474993795. The cubic root of 1024645 is about 100.8148422862.

Adding to 1024645 its reverse (5464201), we get a palindrome (6488846).

The spelling of 1024645 in words is "one million, twenty-four thousand, six hundred forty-five".