120521120 has 24 divisors (see below), whose sum is σ = 284731524. Its totient is φ = 48208384.

The previous prime is 120521111. The next prime is 120521153. The reversal of 120521120 is 21125021.

It can be written as a sum of positive squares in 2 ways, for example, as 116726416 + 3794704 = 10804^2 + 1948^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120521095 and 120521104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376469 + ... + 376788.

Almost surely, 2^120521120 is an apocalyptic number.

120521120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120521120 is an abundant number, since it is smaller than the sum of its proper divisors (164210404).

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

120521120 is an equidigital number, since it uses as much as digits as its factorization.

120521120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753272 (or 753264 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 120521120 is about 10978.2111475413. The cubic root of 120521120 is about 493.9553796017.

Adding to 120521120 its reverse (21125021), we get a palindrome (141646141).

The spelling of 120521120 in words is "one hundred twenty million, five hundred twenty-one thousand, one hundred twenty".