120135056 has 40 divisors (see below), whose sum is σ = 248950584. Its totient is φ = 55961600.

The previous prime is 120135031. The next prime is 120135079. The reversal of 120135056 is 650531021.

It can be written as a sum of positive squares in 4 ways, for example, as 70291456 + 49843600 = 8384^2 + 7060^2 .

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, 25286 + ... + 29658.

Almost surely, 2^120135056 is an apocalyptic number.

120135056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120135056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124475292).

120135056 is an abundant number, since it is smaller than the sum of its proper divisors (128815528).

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

120135056 is a wasteful number, since it uses less digits than its factorization.

120135056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499 (or 4493 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 120135056 is about 10960.6138514227. The cubic root of 120135056 is about 493.4273881219.

Adding to 120135056 its reverse (650531021), we get a palindrome (770666077).

The spelling of 120135056 in words is "one hundred twenty million, one hundred thirty-five thousand, fifty-six".