104178281 has 4 divisors (see below), whose sum is σ = 104200272. Its totient is φ = 104156292.

The previous prime is 104178271. The next prime is 104178323. The reversal of 104178281 is 182871401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104178281 is a prime.

It is a super-2 number, since 2×104178281² = 21706228464229922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104178251) 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, 635 + ... + 14448.

It is an arithmetic number, because the mean of its divisors is an integer number (26050068).

Almost surely, 2^104178281 is an apocalyptic number.

It is an amenable number.

104178281 is a deficient number, since it is larger than the sum of its proper divisors (21991).

104178281 is an equidigital number, since it uses as much as digits as its factorization.

104178281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21990.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 104178281 is about 10206.7762295448. The cubic root of 104178281 is about 470.5355010004.

The spelling of 104178281 in words is "one hundred four million, one hundred seventy-eight thousand, two hundred eighty-one".