128052560 has 40 divisors (see below), whose sum is σ = 305775816. Its totient is φ = 49835520.

The previous prime is 128052527. The next prime is 128052593. The reversal of 128052560 is 65250821.

It is an interprime number because it is at equal distance from previous prime (128052527) and next prime (128052593).

It can be written as a sum of positive squares in 4 ways, for example, as 37650496 + 90402064 = 6136^2 + 9508^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18671 + ... + 24590.

Almost surely, 2^128052560 is an apocalyptic number.

128052560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128052560 is an abundant number, since it is smaller than the sum of its proper divisors (177723256).

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

128052560 is a wasteful number, since it uses less digits than its factorization.

128052560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43311 (or 43305 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 128052560 is about 11316.0311063553. The cubic root of 128052560 is about 504.0373911959.

The spelling of 128052560 in words is "one hundred twenty-eight million, fifty-two thousand, five hundred sixty".