128752304 has 40 divisors (see below), whose sum is σ = 259536960. Its totient is φ = 61820928.

The previous prime is 128752301. The next prime is 128752307. The reversal of 128752304 is 403257821.

128752304 = T₃₄₁ + T₃₄₂ + ... + T₉₃₂.

It is an interprime number because it is at equal distance from previous prime (128752301) and next prime (128752307).

It is not an unprimeable number, because it can be changed into a prime (128752301) 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, 45392 + ... + 48144.

It is an arithmetic number, because the mean of its divisors is an integer number (6488424).

Almost surely, 2^128752304 is an apocalyptic number.

It is an amenable number.

128752304 is an abundant number, since it is smaller than the sum of its proper divisors (130784656).

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

128752304 is a wasteful number, since it uses less digits than its factorization.

128752304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 128752304 is about 11346.9072438264. The cubic root of 128752304 is about 504.9538290631.

The spelling of 128752304 in words is "one hundred twenty-eight million, seven hundred fifty-two thousand, three hundred four".