104245087 has 4 divisors (see below), whose sum is σ = 104520520. Its totient is φ = 103969656.

The previous prime is 104245079. The next prime is 104245091. The reversal of 104245087 is 780542401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780542401 = 19 ⋅41081179.

It is a cyclic number.

It is not a de Polignac number, because 104245087 - 2³ = 104245079 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 (104245007) 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 3 ways as a sum of consecutive naturals, for example, 137148 + ... + 137905.

It is an arithmetic number, because the mean of its divisors is an integer number (26130130).

Almost surely, 2^104245087 is an apocalyptic number.

104245087 is a deficient number, since it is larger than the sum of its proper divisors (275433).

104245087 is an equidigital number, since it uses as much as digits as its factorization.

104245087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275432.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 104245087 is about 10210.0483348513. The cubic root of 104245087 is about 470.6360589973.

Adding to 104245087 its reverse (780542401), we get a palindrome (884787488).

The spelling of 104245087 in words is "one hundred four million, two hundred forty-five thousand, eighty-seven".