128730675 has 24 divisors (see below), whose sum is σ = 213557760. Its totient is φ = 68423200.

The previous prime is 128730653. The next prime is 128730703. The reversal of 128730675 is 576037821.

It is not a de Polignac number, because 128730675 - 2¹² = 128726579 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20566 + ... + 26084.

It is an arithmetic number, because the mean of its divisors is an integer number (8898240).

Almost surely, 2^128730675 is an apocalyptic number.

128730675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128730675 is a deficient number, since it is larger than the sum of its proper divisors (84827085).

128730675 is a wasteful number, since it uses less digits than its factorization.

128730675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843 (or 5838 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 128730675 is about 11345.9541247089. The cubic root of 128730675 is about 504.9255518786.

The spelling of 128730675 in words is "one hundred twenty-eight million, seven hundred thirty thousand, six hundred seventy-five".