104401355 has 4 divisors (see below), whose sum is σ = 125281632. Its totient is φ = 83521080.

The previous prime is 104401327. The next prime is 104401357. The reversal of 104401355 is 553104401.

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

It is not a de Polignac number, because 104401355 - 2¹² = 104397259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104401355.

It is not an unprimeable number, because it can be changed into a prime (104401357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10440131 + ... + 10440140.

It is an arithmetic number, because the mean of its divisors is an integer number (31320408).

Almost surely, 2^104401355 is an apocalyptic number.

104401355 is a deficient number, since it is larger than the sum of its proper divisors (20880277).

104401355 is an equidigital number, since it uses as much as digits as its factorization.

104401355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20880276.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 104401355 is about 10217.6981262905. The cubic root of 104401355 is about 470.8711096812.

Adding to 104401355 its reverse (553104401), we get a palindrome (657505756).

The spelling of 104401355 in words is "one hundred four million, four hundred one thousand, three hundred fifty-five".