128132752 has 20 divisors (see below), whose sum is σ = 270826416. Its totient is φ = 58242080.

The previous prime is 128132737. The next prime is 128132761. The reversal of 128132752 is 257231821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363838 + ... + 364189.

Almost surely, 2^128132752 is an apocalyptic number.

It is an amenable number.

128132752 is an abundant number, since it is smaller than the sum of its proper divisors (142693664).

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

128132752 is a wasteful number, since it uses less digits than its factorization.

128132752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728046 (or 728040 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 128132752 is about 11319.5738435685. The cubic root of 128132752 is about 504.1425858437.

The spelling of 128132752 in words is "one hundred twenty-eight million, one hundred thirty-two thousand, seven hundred fifty-two".