120549 has 16 divisors (see below), whose sum is σ = 189504. Its totient is φ = 67200.

The previous prime is 120539. The next prime is 120551. The reversal of 120549 is 945021.

120549 = 4⁵ + 5⁵ + ... + 9⁵.

It is not a de Polignac number, because 120549 - 2⁸ = 120293 is a prime.

It is a super-2 number, since 2×120549² = 29064122802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120539) 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 in 15 ways as a sum of consecutive naturals, for example, 289 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (11844).

2¹²⁰⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

120549 is a deficient number, since it is larger than the sum of its proper divisors (68955).

120549 is a wasteful number, since it uses less digits than its factorization.

120549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308.

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

The square root of 120549 is about 347.2016705029. The cubic root of 120549 is about 49.3993465359.

The spelling of 120549 in words is "one hundred twenty thousand, five hundred forty-nine".