1055720512 has 112 divisors (see below), whose sum is σ = 2656880640. Its totient is φ = 404236800.

The previous prime is 1055720507. The next prime is 1055720543. The reversal of 1055720512 is 2150275501.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1055720512² = 2229091598915084288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 15 ways as a sum of consecutive naturals, for example, 288937 + ... + 292567.

Almost surely, 2^1055720512 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 1055720512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328440320).

1055720512 is an abundant number, since it is smaller than the sum of its proper divisors (1601160128).

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

1055720512 is a wasteful number, since it uses less digits than its factorization.

1055720512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720 (or 3710 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 1055720512 is about 32491.8530096392. The cubic root of 1055720512 is about 1018.2388267863.

The spelling of 1055720512 in words is "one billion, fifty-five million, seven hundred twenty thousand, five hundred twelve".