4120194 has 32 divisors (see below), whose sum is σ = 8979264. Its totient is φ = 1252800.

The previous prime is 4120189. The next prime is 4120211. The reversal of 4120194 is 4910214.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4120194.

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 15 ways as a sum of consecutive naturals, for example, 7617 + ... + 8139.

It is an arithmetic number, because the mean of its divisors is an integer number (280602).

Almost surely, 2^4120194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4120194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4489632).

4120194 is an abundant number, since it is smaller than the sum of its proper divisors (4859070).

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

4120194 is a wasteful number, since it uses less digits than its factorization.

4120194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 4120194 is about 2029.8261009259. The cubic root of 4120194 is about 160.3144078103.

The spelling of 4120194 in words is "four million, one hundred twenty thousand, one hundred ninety-four".