1080521564 has 24 divisors (see below), whose sum is σ = 2107521360. Its totient is φ = 481718016.

The previous prime is 1080521551. The next prime is 1080521567. The reversal of 1080521564 is 4651250801.

It is a self number, because there is not a number n which added to its sum of digits gives 1080521564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080521567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416867 + ... + 419450.

It is an arithmetic number, because the mean of its divisors is an integer number (87813390).

Almost surely, 2^1080521564 is an apocalyptic number.

It is an amenable number.

1080521564 is a deficient number, since it is larger than the sum of its proper divisors (1026999796).

1080521564 is a wasteful number, since it uses less digits than its factorization.

1080521564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836357 (or 836355 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 1080521564 is about 32871.2878360432. The cubic root of 1080521564 is about 1026.1507010364.

The spelling of 1080521564 in words is "one billion, eighty million, five hundred twenty-one thousand, five hundred sixty-four".