4120191 has 6 divisors (see below), whose sum is σ = 5951400. Its totient is φ = 2746788.

The previous prime is 4120189. The next prime is 4120211. The reversal of 4120191 is 1910214.

It is not a de Polignac number, because 4120191 - 2¹ = 4120189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228891 + ... + 228908.

It is an arithmetic number, because the mean of its divisors is an integer number (991900).

Almost surely, 2^4120191 is an apocalyptic number.

4120191 is a deficient number, since it is larger than the sum of its proper divisors (1831209).

4120191 is a wasteful number, since it uses less digits than its factorization.

4120191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457805 (or 457802 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 4120191 is about 2029.8253619462. The cubic root of 4120191 is about 160.3143689008.

The spelling of 4120191 in words is "four million, one hundred twenty thousand, one hundred ninety-one".