104431555 has 8 divisors (see below), whose sum is σ = 125650800. Its totient is φ = 83323296.

The previous prime is 104431553. The next prime is 104431583. The reversal of 104431555 is 555134401.

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 104431555 - 2¹ = 104431553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104431553) 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, 25660 + ... + 29449.

It is an arithmetic number, because the mean of its divisors is an integer number (15706350).

Almost surely, 2^104431555 is an apocalyptic number.

104431555 is a deficient number, since it is larger than the sum of its proper divisors (21219245).

104431555 is an equidigital number, since it uses as much as digits as its factorization.

104431555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55493.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 104431555 is about 10219.1758473959. The cubic root of 104431555 is about 470.9165079955.

Adding to 104431555 its reverse (555134401), we get a palindrome (659565956).

The spelling of 104431555 in words is "one hundred four million, four hundred thirty-one thousand, five hundred fifty-five".