1012320564 has 48 divisors (see below), whose sum is σ = 2412752832. Its totient is φ = 330234112.

The previous prime is 1012320523. The next prime is 1012320571. The reversal of 1012320564 is 4650232101.

1012320564 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 15 ways as a sum of consecutive naturals, for example, 279952 + ... + 283544.

It is an arithmetic number, because the mean of its divisors is an integer number (50265684).

Almost surely, 2^1012320564 is an apocalyptic number.

It is an amenable number.

1012320564 is an abundant number, since it is smaller than the sum of its proper divisors (1400432268).

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

1012320564 is a wasteful number, since it uses less digits than its factorization.

1012320564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096 (or 4094 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1012320564 is about 31816.9854637425. The cubic root of 1012320564 is about 1004.0901029171.

Adding to 1012320564 its reverse (4650232101), we get a palindrome (5662552665).

The spelling of 1012320564 in words is "one billion, twelve million, three hundred twenty thousand, five hundred sixty-four".