120520120 has 64 divisors (see below), whose sum is σ = 310878720. Its totient is φ = 41192064.

The previous prime is 120520087. The next prime is 120520121. The reversal of 120520120 is 21025021.

It is a self number, because there is not a number n which added to its sum of digits gives 120520120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120520121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146029 + ... + 146851.

It is an arithmetic number, because the mean of its divisors is an integer number (4857480).

Almost surely, 2^120520120 is an apocalyptic number.

120520120 is a gapful number since it is divisible by the number (10) 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 120520120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155439360).

120520120 is an abundant number, since it is smaller than the sum of its proper divisors (190358600).

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

120520120 is a wasteful number, since it uses less digits than its factorization.

120520120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 120520120 is about 10978.1656026861. The cubic root of 120520120 is about 493.9540134325.

Adding to 120520120 its reverse (21025021), we get a palindrome (141545141).

The spelling of 120520120 in words is "one hundred twenty million, five hundred twenty thousand, one hundred twenty".