128095730 has 64 divisors (see below), whose sum is σ = 271054080. Its totient is φ = 42681600.

The previous prime is 128095699. The next prime is 128095741. The reversal of 128095730 is 37590821.

128095730 = T₁ + T₂ + ... + T₉₁₅.

128095730 is a nontrivial binomial coefficient, being equal to C(917, 3).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is the 915-th tetrahedral number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559256 + ... + 559484.

It is an arithmetic number, because the mean of its divisors is an integer number (4235220).

Almost surely, 2^128095730 is an apocalyptic number.

128095730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128095730 is an abundant number, since it is smaller than the sum of its proper divisors (142958350).

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

128095730 is a wasteful number, since it uses less digits than its factorization.

128095730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 128095730 is about 11317.9384165138. The cubic root of 128095730 is about 504.0940264021.

The spelling of 128095730 in words is "one hundred twenty-eight million, ninety-five thousand, seven hundred thirty".