421118 has 8 divisors (see below), whose sum is σ = 635040. Its totient is φ = 209440.

The previous prime is 421103. The next prime is 421121. The reversal of 421118 is 811124.

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

It is a junction number, because it is equal to n+sod(n) for n = 421096 and 421105.

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 3 ways as a sum of consecutive naturals, for example, 38 + ... + 918.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2⁴²¹¹¹⁸ is an apocalyptic number.

421118 is a deficient number, since it is larger than the sum of its proper divisors (213922).

421118 is a wasteful number, since it uses less digits than its factorization.

421118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its digits is 64, while the sum is 17.

The square root of 421118 is about 648.9360523195. The cubic root of 421118 is about 74.9551138826.

The spelling of 421118 in words is "four hundred twenty-one thousand, one hundred eighteen".