8421102 has 24 divisors (see below), whose sum is σ = 18299736. Its totient is φ = 2798736.

The previous prime is 8421079. The next prime is 8421143. The reversal of 8421102 is 2011248.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10168 + ... + 10964.

It is an arithmetic number, because the mean of its divisors is an integer number (762489).

Almost surely, 2^8421102 is an apocalyptic number.

8421102 is an abundant number, since it is smaller than the sum of its proper divisors (9878634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8421102 is a wasteful number, since it uses less digits than its factorization.

8421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 8421102 is about 2901.9135066366. The cubic root of 8421102 is about 203.4493512106.

The spelling of 8421102 in words is "eight million, four hundred twenty-one thousand, one hundred two".