128416485 has 8 divisors (see below), whose sum is σ = 205466400. Its totient is φ = 68488784.

The previous prime is 128416481. The next prime is 128416489. The reversal of 128416485 is 584614821.

It is an interprime number because it is at equal distance from previous prime (128416481) and next prime (128416489).

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 128416485 - 2² = 128416481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128416481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280535 + ... + 4280564.

It is an arithmetic number, because the mean of its divisors is an integer number (25683300).

Almost surely, 2^128416485 is an apocalyptic number.

128416485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128416485 is a deficient number, since it is larger than the sum of its proper divisors (77049915).

128416485 is an equidigital number, since it uses as much as digits as its factorization.

128416485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561107.

The product of its digits is 61440, while the sum is 39.

The square root of 128416485 is about 11332.0997612976. The cubic root of 128416485 is about 504.5144304953.

The spelling of 128416485 in words is "one hundred twenty-eight million, four hundred sixteen thousand, four hundred eighty-five".