120784516 has 6 divisors (see below), whose sum is σ = 211372910. Its totient is φ = 60392256.

The previous prime is 120784513. The next prime is 120784519. The reversal of 120784516 is 615487021.

It is an interprime number because it is at equal distance from previous prime (120784513) and next prime (120784519).

It can be written as a sum of positive squares in only one way, i.e., 92736900 + 28047616 = 9630^2 + 5296^2 .

It is not an unprimeable number, because it can be changed into a prime (120784511) by changing a digit.

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 as a sum of consecutive naturals, namely, 15098061 + ... + 15098068.

Almost surely, 2^120784516 is an apocalyptic number.

It is an amenable number.

120784516 is a deficient number, since it is larger than the sum of its proper divisors (90588394).

120784516 is a wasteful number, since it uses less digits than its factorization.

120784516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30196133 (or 30196131 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 120784516 is about 10990.2009080817. The cubic root of 120784516 is about 494.3149602987.

The spelling of 120784516 in words is "one hundred twenty million, seven hundred eighty-four thousand, five hundred sixteen".