104125987 has 8 divisors (see below), whose sum is σ = 119091456. Its totient is φ = 89183112.

The previous prime is 104125981. The next prime is 104126017. The reversal of 104125987 is 789521401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104125987 - 2⁷ = 104125859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104125981) 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 7 ways as a sum of consecutive naturals, for example, 5778 + ... + 15544.

It is an arithmetic number, because the mean of its divisors is an integer number (14886432).

Almost surely, 2^104125987 is an apocalyptic number.

104125987 is a deficient number, since it is larger than the sum of its proper divisors (14965469).

104125987 is an equidigital number, since it uses as much as digits as its factorization.

104125987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11297.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 104125987 is about 10204.2141784657. The cubic root of 104125987 is about 470.4567568145.

It can be divided in two parts, 1041 and 25987, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 104125987 in words is "one hundred four million, one hundred twenty-five thousand, nine hundred eighty-seven".