120620512 has 48 divisors (see below), whose sum is σ = 258627600. Its totient is φ = 55157760.

The previous prime is 120620509. The next prime is 120620557. The reversal of 120620512 is 215026021.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 120620512.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14212 + ... + 21052.

It is an arithmetic number, because the mean of its divisors is an integer number (5388075).

Almost surely, 2^120620512 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 120620512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129313800).

120620512 is an abundant number, since it is smaller than the sum of its proper divisors (138007088).

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

120620512 is a wasteful number, since it uses less digits than its factorization.

120620512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899 (or 6891 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 120620512 is about 10982.7369994915. The cubic root of 120620512 is about 494.0911282109.

Adding to 120620512 its reverse (215026021), we get a palindrome (335646533).

The spelling of 120620512 in words is "one hundred twenty million, six hundred twenty thousand, five hundred twelve".