120543075 has 72 divisors (see below), whose sum is σ = 225454320. Its totient is φ = 61516800.

The previous prime is 120543043. The next prime is 120543083. The reversal of 120543075 is 570345021.

It is a happy number.

It is not a de Polignac number, because 120543075 - 2⁵ = 120543043 is a prime.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 673336 + ... + 673514.

It is an arithmetic number, because the mean of its divisors is an integer number (3131310).

Almost surely, 2^120543075 is an apocalyptic number.

120543075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120543075 is a deficient number, since it is larger than the sum of its proper divisors (104911245).

120543075 is a wasteful number, since it uses less digits than its factorization.

120543075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 120543075 is about 10979.2110372285. The cubic root of 120543075 is about 493.9853719436.

Adding to 120543075 its reverse (570345021), we get a palindrome (690888096).

It can be divided in two parts, 12054 and 3075, that added together give a square (15129 = 123²).

The spelling of 120543075 in words is "one hundred twenty million, five hundred forty-three thousand, seventy-five".