103887421 has 8 divisors (see below), whose sum is σ = 119296800. Its totient is φ = 89472240.

The previous prime is 103887401. The next prime is 103887439. The reversal of 103887421 is 124788301.

It is a happy number.

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

It is not a de Polignac number, because 103887421 - 2¹³ = 103879229 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 (103887401) 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, 248326 + ... + 248743.

It is an arithmetic number, because the mean of its divisors is an integer number (14912100).

Almost surely, 2^103887421 is an apocalyptic number.

103887421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103887421 is a deficient number, since it is larger than the sum of its proper divisors (15409379).

103887421 is a wasteful number, since it uses less digits than its factorization.

103887421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497099.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 103887421 is about 10192.5178930429. The cubic root of 103887421 is about 470.0971897999.

The spelling of 103887421 in words is "one hundred three million, eight hundred eighty-seven thousand, four hundred twenty-one".