104128147 has 4 divisors (see below), whose sum is σ = 104560456. Its totient is φ = 103695840.

The previous prime is 104128139. The next prime is 104128201. The reversal of 104128147 is 741821401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104128147 - 2³ = 104128139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104128747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215793 + ... + 216274.

It is an arithmetic number, because the mean of its divisors is an integer number (26140114).

Almost surely, 2^104128147 is an apocalyptic number.

104128147 is a deficient number, since it is larger than the sum of its proper divisors (432309).

104128147 is an equidigital number, since it uses as much as digits as its factorization.

104128147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432308.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 104128147 is about 10204.3200165420. The cubic root of 104128147 is about 470.4600098595.

Adding to 104128147 its reverse (741821401), we get a palindrome (845949548).

The spelling of 104128147 in words is "one hundred four million, one hundred twenty-eight thousand, one hundred forty-seven".