104242185 has 12 divisors (see below), whose sum is σ = 180686532. Its totient is φ = 55595808.

The previous prime is 104242183. The next prime is 104242207. The reversal of 104242185 is 581242401.

It can be written as a sum of positive squares in 2 ways, for example, as 83229129 + 21013056 = 9123^2 + 4584^2 .

It is not a de Polignac number, because 104242185 - 2¹ = 104242183 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104242183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1158202 + ... + 1158291.

It is an arithmetic number, because the mean of its divisors is an integer number (15057211).

Almost surely, 2^104242185 is an apocalyptic number.

104242185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104242185 is a deficient number, since it is larger than the sum of its proper divisors (76444347).

104242185 is a wasteful number, since it uses less digits than its factorization.

104242185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316504 (or 2316501 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 104242185 is about 10209.9062189621. The cubic root of 104242185 is about 470.6316917298.

Adding to 104242185 its reverse (581242401), we get a palindrome (685484586).

The spelling of 104242185 in words is "one hundred four million, two hundred forty-two thousand, one hundred eighty-five".