1055728128 has 360 divisors, whose sum is σ = 3585426768. Its totient is φ = 275079168.

The previous prime is 1055728109. The next prime is 1055728133. The reversal of 1055728128 is 8218275501.

It is a super-2 number, since 2×1055728128² = 2229123760500768768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 35 ways as a sum of consecutive naturals, for example, 12719575 + ... + 12719657.

Almost surely, 2^1055728128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055728128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792713384).

1055728128 is an abundant number, since it is smaller than the sum of its proper divisors (2529698640).

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

1055728128 is an equidigital number, since it uses as much as digits as its factorization.

1055728128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 1055728128 is about 32491.9702080376. The cubic root of 1055728128 is about 1018.2412753158.

The spelling of 1055728128 in words is "one billion, fifty-five million, seven hundred twenty-eight thousand, one hundred twenty-eight".