4120309 has 8 divisors (see below), whose sum is σ = 4209920. Its totient is φ = 4031856.

The previous prime is 4120301. The next prime is 4120313. The reversal of 4120309 is 9030214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4120309 - 2³ = 4120301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11044 + ... + 11410.

It is an arithmetic number, because the mean of its divisors is an integer number (526240).

Almost surely, 2^4120309 is an apocalyptic number.

It is an amenable number.

4120309 is a deficient number, since it is larger than the sum of its proper divisors (89611).

4120309 is a wasteful number, since it uses less digits than its factorization.

4120309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 4120309 is about 2029.8544282780. The cubic root of 4120309 is about 160.3158993246.

The spelling of 4120309 in words is "four million, one hundred twenty thousand, three hundred nine".