104031555 has 64 divisors (see below), whose sum is σ = 186278400. Its totient is φ = 49351680.

The previous prime is 104031547. The next prime is 104031559. The reversal of 104031555 is 555130401.

It is not a de Polignac number, because 104031555 - 2³ = 104031547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104031559) 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 63 ways as a sum of consecutive naturals, for example, 338712 + ... + 339018.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^104031555 is an apocalyptic number.

104031555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104031555 is a deficient number, since it is larger than the sum of its proper divisors (82246845).

104031555 is a wasteful number, since it uses less digits than its factorization.

104031555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 104031555 is about 10199.5860210109. The cubic root of 104031555 is about 470.3144945078.

Adding to 104031555 its reverse (555130401), we get a palindrome (659161956).

The spelling of 104031555 in words is "one hundred four million, thirty-one thousand, five hundred fifty-five".