120542312 has 32 divisors (see below), whose sum is σ = 249350400. Its totient is φ = 54172800.

The previous prime is 120542293. The next prime is 120542321. The reversal of 120542312 is 213245021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137 + ... + 15527.

It is an arithmetic number, because the mean of its divisors is an integer number (7792200).

Almost surely, 2^120542312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120542312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124675200).

120542312 is an abundant number, since it is smaller than the sum of its proper divisors (128808088).

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

120542312 is a wasteful number, since it uses less digits than its factorization.

120542312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15497 (or 15493 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 120542312 is about 10979.1762896859. The cubic root of 120542312 is about 493.9843296837.

Adding to 120542312 its reverse (213245021), we get a palindrome (333787333).

The spelling of 120542312 in words is "one hundred twenty million, five hundred forty-two thousand, three hundred twelve".