120611520 has 84 divisors (see below), whose sum is σ = 414863280. Its totient is φ = 32162304.

The previous prime is 120611501. The next prime is 120611521. The reversal of 120611520 is 25116021.

120611520 is a `hidden beast` number, since 1 + 2 + 0 + 611 + 52 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120611493 and 120611502.

It is not an unprimeable number, because it can be changed into a prime (120611521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18060 + ... + 23819.

Almost surely, 2^120611520 is an apocalyptic number.

120611520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120611520 is an abundant number, since it is smaller than the sum of its proper divisors (294251760).

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

120611520 is a wasteful number, since it uses less digits than its factorization.

120611520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41902 (or 41889 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 120611520 is about 10982.3276221391. The cubic root of 120611520 is about 494.0788500951.

Adding to 120611520 its reverse (25116021), we get a palindrome (145727541).

The spelling of 120611520 in words is "one hundred twenty million, six hundred eleven thousand, five hundred twenty".