120550455 has 48 divisors (see below), whose sum is σ = 215744256. Its totient is φ = 62231040.

The previous prime is 120550447. The next prime is 120550471. The reversal of 120550455 is 554055021.

120550455 is a `hidden beast` number, since 1 + 205 + 5 + 0 + 455 = 666.

It is not a de Polignac number, because 120550455 - 2³ = 120550447 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 411289 + ... + 411581.

It is an arithmetic number, because the mean of its divisors is an integer number (4494672).

Almost surely, 2^120550455 is an apocalyptic number.

120550455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120550455 is a deficient number, since it is larger than the sum of its proper divisors (95193801).

120550455 is a wasteful number, since it uses less digits than its factorization.

120550455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 120550455 is about 10979.5471218079. The cubic root of 120550455 is about 493.9954528148.

The spelling of 120550455 in words is "one hundred twenty million, five hundred fifty thousand, four hundred fifty-five".