120520416 has 24 divisors (see below), whose sum is σ = 316366344. Its totient is φ = 40173440.

The previous prime is 120520409. The next prime is 120520423. The reversal of 120520416 is 614025021.

It is an interprime number because it is at equal distance from previous prime (120520409) and next prime (120520423).

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 120520392 and 120520401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627615 + ... + 627806.

It is an arithmetic number, because the mean of its divisors is an integer number (13181931).

Almost surely, 2^120520416 is an apocalyptic number.

120520416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120520416 is an abundant number, since it is smaller than the sum of its proper divisors (195845928).

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

120520416 is a wasteful number, since it uses less digits than its factorization.

120520416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255434 (or 1255426 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 120520416 is about 10978.1790839829. The cubic root of 120520416 is about 493.9544178194.

Adding to 120520416 its reverse (614025021), we get a palindrome (734545437).

The spelling of 120520416 in words is "one hundred twenty million, five hundred twenty thousand, four hundred sixteen".