120505456 has 20 divisors (see below), whose sum is σ = 234774904. Its totient is φ = 59918400.

The previous prime is 120505453. The next prime is 120505457. The reversal of 120505456 is 654505021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120505453) by changing a digit.

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, 17910 + ... + 23701.

Almost surely, 2^120505456 is an apocalyptic number.

120505456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120505456 is a deficient number, since it is larger than the sum of its proper divisors (114269448).

120505456 is a wasteful number, since it uses less digits than its factorization.

120505456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41800 (or 41794 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 120505456 is about 10977.4977112273. The cubic root of 120505456 is about 493.9339790586.

The spelling of 120505456 in words is "one hundred twenty million, five hundred five thousand, four hundred fifty-six".