120542646 has 24 divisors (see below), whose sum is σ = 280446840. Its totient is φ = 34440672.

The previous prime is 120542603. The next prime is 120542687. The reversal of 120542646 is 646245021.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 204711 + ... + 205298.

It is an arithmetic number, because the mean of its divisors is an integer number (11685285).

Almost surely, 2^120542646 is an apocalyptic number.

120542646 is an abundant number, since it is smaller than the sum of its proper divisors (159904194).

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

120542646 is a wasteful number, since it uses less digits than its factorization.

120542646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410028 (or 410021 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 120542646 is about 10979.1915002882. The cubic root of 120542646 is about 493.9847859291.

Adding to 120542646 its reverse (646245021), we get a palindrome (766787667).

The spelling of 120542646 in words is "one hundred twenty million, five hundred forty-two thousand, six hundred forty-six".