128184315 has 16 divisors (see below), whose sum is σ = 234394368. Its totient is φ = 58598496.

The previous prime is 128184311. The next prime is 128184319. The reversal of 128184315 is 513481821.

It is an interprime number because it is at equal distance from previous prime (128184311) and next prime (128184319).

It is not a de Polignac number, because 128184315 - 2² = 128184311 is a prime.

It is a super-2 number, since 2×128184315² = 32862437224038450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128184311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610297 + ... + 610506.

It is an arithmetic number, because the mean of its divisors is an integer number (14649648).

Almost surely, 2^128184315 is an apocalyptic number.

128184315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128184315 is a deficient number, since it is larger than the sum of its proper divisors (106210053).

128184315 is a wasteful number, since it uses less digits than its factorization.

128184315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220818.

The product of its digits is 7680, while the sum is 33.

The square root of 128184315 is about 11321.8512178884. The cubic root of 128184315 is about 504.2102022222.

The spelling of 128184315 in words is "one hundred twenty-eight million, one hundred eighty-four thousand, three hundred fifteen".