4120849 has 2 divisors, whose sum is σ = 4120850. Its totient is φ = 4120848.

The previous prime is 4120847. The next prime is 4120873. The reversal of 4120849 is 9480214.

4120849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3448449 + 672400 = 1857^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 4120849 - 2¹ = 4120847 is a prime.

It is a super-3 number, since 3×4120849³ (a number of 21 digits) contains 333 as substring.

Together with 4120847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4120847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060424 + 2060425.

It is an arithmetic number, because the mean of its divisors is an integer number (2060425).

Almost surely, 2^4120849 is an apocalyptic number.

It is an amenable number.

4120849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4120849 is an equidigital number, since it uses as much as digits as its factorization.

4120849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4120849 is about 2029.9874383848. The cubic root of 4120849 is about 160.3229025861.

The spelling of 4120849 in words is "four million, one hundred twenty thousand, eight hundred forty-nine".