4121118 has 20 divisors (see below), whose sum is σ = 9234720. Its totient is φ = 1373652.

The previous prime is 4121113. The next prime is 4121137. The reversal of 4121118 is 8111214.

It is a super-2 number, since 2×4121118² = 33967227139848, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4121118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121111) 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 9 ways as a sum of consecutive naturals, for example, 12558 + ... + 12881.

It is an arithmetic number, because the mean of its divisors is an integer number (461736).

Almost surely, 2^4121118 is an apocalyptic number.

4121118 is an abundant number, since it is smaller than the sum of its proper divisors (5113602).

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

4121118 is a wasteful number, since it uses less digits than its factorization.

4121118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25453 (or 25444 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 4121118 is about 2030.0536938712. The cubic root of 4121118 is about 160.3263910196.

The spelling of 4121118 in words is "four million, one hundred twenty-one thousand, one hundred eighteen".