120542709 has 8 divisors (see below), whose sum is σ = 183684160. Its totient is φ = 68881536.

The previous prime is 120542687. The next prime is 120542713. The reversal of 120542709 is 907245021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120542709 - 2⁸ = 120542453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120542729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2870044 + ... + 2870085.

It is an arithmetic number, because the mean of its divisors is an integer number (22960520).

Almost surely, 2^120542709 is an apocalyptic number.

It is an amenable number.

120542709 is a deficient number, since it is larger than the sum of its proper divisors (63141451).

120542709 is an equidigital number, since it uses as much as digits as its factorization.

120542709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740139.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 120542709 is about 10979.1943693515. The cubic root of 120542709 is about 493.9848719872.

The spelling of 120542709 in words is "one hundred twenty million, five hundred forty-two thousand, seven hundred nine".