104419987 has 8 divisors (see below), whose sum is σ = 119462400. Its totient is φ = 89408904.

The previous prime is 104419963. The next prime is 104419993. The reversal of 104419987 is 789914401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104419987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104410987) 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, 187 + ... + 14452.

It is an arithmetic number, because the mean of its divisors is an integer number (14932800).

Almost surely, 2^104419987 is an apocalyptic number.

104419987 is a deficient number, since it is larger than the sum of its proper divisors (15042413).

104419987 is a wasteful number, since it uses less digits than its factorization.

104419987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15665.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 104419987 is about 10218.6098369592. The cubic root of 104419987 is about 470.8991193709.

The spelling of 104419987 in words is "one hundred four million, four hundred nineteen thousand, nine hundred eighty-seven".