120544542 has 12 divisors (see below), whose sum is σ = 261179880. Its totient is φ = 40181508.

The previous prime is 120544513. The next prime is 120544547. The reversal of 120544542 is 245445021.

120544542 is a `hidden beast` number, since 1 + 205 + 4 + 454 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120544547) 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 5 ways as a sum of consecutive naturals, for example, 3348442 + ... + 3348477.

It is an arithmetic number, because the mean of its divisors is an integer number (21764990).

Almost surely, 2^120544542 is an apocalyptic number.

120544542 is an abundant number, since it is smaller than the sum of its proper divisors (140635338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120544542 is a wasteful number, since it uses less digits than its factorization.

120544542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6696927 (or 6696924 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 120544542 is about 10979.2778451044. The cubic root of 120544542 is about 493.9873758569.

Adding to 120544542 its reverse (245445021), we get a palindrome (365989563).

The spelling of 120544542 in words is "one hundred twenty million, five hundred forty-four thousand, five hundred forty-two".