1055968728 has 32 divisors (see below), whose sum is σ = 2663290800. Its totient is φ = 348873728.

The previous prime is 1055968723. The next prime is 1055968751. The reversal of 1055968728 is 8278695501.

It is a super-2 number, since 2×1055968728² = 2230139909027875968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055968723) 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, 191973 + ... + 197396.

Almost surely, 2^1055968728 is an apocalyptic number.

It is an amenable number.

1055968728 is an abundant number, since it is smaller than the sum of its proper divisors (1607322072).

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

1055968728 is a wasteful number, since it uses less digits than its factorization.

1055968728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389491 (or 389487 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The square root of 1055968728 is about 32495.6724503433. The cubic root of 1055968728 is about 1018.3186216943.

The spelling of 1055968728 in words is "one billion, fifty-five million, nine hundred sixty-eight thousand, seven hundred twenty-eight".