1081052564 has 12 divisors (see below), whose sum is σ = 1892133600. Its totient is φ = 540442968.

The previous prime is 1081052549. The next prime is 1081052653. The reversal of 1081052564 is 4652501801.

It is a super-2 number, since 2×1081052564² = 2337349292261948192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1081052564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15347 + ... + 48965.

It is an arithmetic number, because the mean of its divisors is an integer number (157677800).

Almost surely, 2^1081052564 is an apocalyptic number.

It is an amenable number.

1081052564 is a deficient number, since it is larger than the sum of its proper divisors (811081036).

1081052564 is a wasteful number, since it uses less digits than its factorization.

1081052564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41662 (or 41660 counting only the distinct ones).

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

The square root of 1081052564 is about 32879.3638016310. The cubic root of 1081052564 is about 1026.3187670295.

The spelling of 1081052564 in words is "one billion, eighty-one million, fifty-two thousand, five hundred sixty-four".