104144087 has 4 divisors (see below), whose sum is σ = 104689536. Its totient is φ = 103598640.

The previous prime is 104144071. The next prime is 104144093. The reversal of 104144087 is 780441401.

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

It is a cyclic number.

It is not a de Polignac number, because 104144087 - 2⁴ = 104144071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104144687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272438 + ... + 272819.

It is an arithmetic number, because the mean of its divisors is an integer number (26172384).

Almost surely, 2^104144087 is an apocalyptic number.

104144087 is a deficient number, since it is larger than the sum of its proper divisors (545449).

104144087 is an equidigital number, since it uses as much as digits as its factorization.

104144087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545448.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 104144087 is about 10205.1010284073. The cubic root of 104144087 is about 470.4840147360.

Adding to 104144087 its reverse (780441401), we get a palindrome (884585488).

The spelling of 104144087 in words is "one hundred four million, one hundred forty-four thousand, eighty-seven".