4120779 has 16 divisors (see below), whose sum is σ = 5963552. Its totient is φ = 2515968.

The previous prime is 4120747. The next prime is 4120793. The reversal of 4120779 is 9770214.

4120779 = 557² + 558² + ... + 569².

It is not a de Polignac number, because 4120779 - 2⁵ = 4120747 is a prime.

It is a Duffinian number.

4120779 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120709) 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 15 ways as a sum of consecutive naturals, for example, 5787 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (372722).

Almost surely, 2^4120779 is an apocalyptic number.

4120779 is a deficient number, since it is larger than the sum of its proper divisors (1842773).

4120779 is a wasteful number, since it uses less digits than its factorization.

4120779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 4120779 is about 2029.9701968256. The cubic root of 4120779 is about 160.3219947904.

The spelling of 4120779 in words is "four million, one hundred twenty thousand, seven hundred seventy-nine".