1043564 has 12 divisors (see below), whose sum is σ = 1834224. Its totient is φ = 519504.

The previous prime is 1043557. The next prime is 1043587. The reversal of 1043564 is 4653401.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (152852).

2^1043564 is an apocalyptic number.

It is an amenable number.

1043564 is a deficient number, since it is larger than the sum of its proper divisors (790660).

1043564 is a wasteful number, since it uses less digits than its factorization.

1043564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1043564 is about 1021.5498029954. The cubic root of 1043564 is about 101.4315424074.

Adding to 1043564 its reverse (4653401), we get a palindrome (5696965).

The spelling of 1043564 in words is "one million, forty-three thousand, five hundred sixty-four".