120514640 has 20 divisors (see below), whose sum is σ = 280196724. Its totient is φ = 48205824.

The previous prime is 120514591. The next prime is 120514657. The reversal of 120514640 is 46415021.

It can be written as a sum of positive squares in 2 ways, for example, as 64384576 + 56130064 = 8024^2 + 7492^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753137 + ... + 753296.

Almost surely, 2^120514640 is an apocalyptic number.

120514640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120514640 is an abundant number, since it is smaller than the sum of its proper divisors (159682084).

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

120514640 is a wasteful number, since it uses less digits than its factorization.

120514640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506446 (or 1506440 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 120514640 is about 10977.9160135246. The cubic root of 120514640 is about 493.9465266908.

Adding to 120514640 its reverse (46415021), we get a palindrome (166929661).

The spelling of 120514640 in words is "one hundred twenty million, five hundred fourteen thousand, six hundred forty".