4120509 has 8 divisors (see below), whose sum is σ = 5503392. Its totient is φ = 2742320.

The previous prime is 4120483. The next prime is 4120517. The reversal of 4120509 is 9050214.

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 4120509 - 2⁸ = 4120253 is a prime.

It is a super-3 number, since 3×4120509³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2899 + ... + 4079.

It is an arithmetic number, because the mean of its divisors is an integer number (687924).

Almost surely, 2^4120509 is an apocalyptic number.

It is an amenable number.

4120509 is a deficient number, since it is larger than the sum of its proper divisors (1382883).

4120509 is a wasteful number, since it uses less digits than its factorization.

4120509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 4120509 is about 2029.9036922968. The cubic root of 4120509 is about 160.3184931965.

The spelling of 4120509 in words is "four million, one hundred twenty thousand, five hundred nine".