4120549 has 8 divisors (see below), whose sum is σ = 4371840. Its totient is φ = 3872736.

The previous prime is 4120547. The next prime is 4120553. The reversal of 4120549 is 9450214.

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 4120549 - 2¹ = 4120547 is a prime.

It is a super-2 number, since 2×4120549² = 33957848122802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120547) 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, 1812 + ... + 3394.

It is an arithmetic number, because the mean of its divisors is an integer number (546480).

Almost surely, 2^4120549 is an apocalyptic number.

It is an amenable number.

4120549 is a deficient number, since it is larger than the sum of its proper divisors (251291).

4120549 is a wasteful number, since it uses less digits than its factorization.

4120549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4120549 is about 2029.9135449570. The cubic root of 4120549 is about 160.3190119608.

It can be divided in two parts, 41205 and 49, that multiplied together give a triangular number (2019045 = T₂₀₀₉).

The spelling of 4120549 in words is "four million, one hundred twenty thousand, five hundred forty-nine".