128414155 has 8 divisors (see below), whose sum is σ = 154501632. Its totient is φ = 102461568.

The previous prime is 128414137. The next prime is 128414159. The reversal of 128414155 is 551414821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128414155 - 2⁵ = 128414123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128414159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31614 + ... + 35443.

It is an arithmetic number, because the mean of its divisors is an integer number (19312704).

Almost surely, 2^128414155 is an apocalyptic number.

128414155 is a deficient number, since it is larger than the sum of its proper divisors (26087477).

128414155 is an equidigital number, since it uses as much as digits as its factorization.

128414155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67445.

The product of its digits is 6400, while the sum is 31.

The square root of 128414155 is about 11331.9969555238. The cubic root of 128414155 is about 504.5113791588.

Adding to 128414155 its reverse (551414821), we get a palindrome (679828976).

The spelling of 128414155 in words is "one hundred twenty-eight million, four hundred fourteen thousand, one hundred fifty-five".