120655005 has 16 divisors (see below), whose sum is σ = 197757504. Its totient is φ = 62779520.

The previous prime is 120654983. The next prime is 120655009. The reversal of 120655005 is 500556021.

It is not a de Polignac number, because 120655005 - 2¹¹ = 120652957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120655009) 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 15 ways as a sum of consecutive naturals, for example, 97479 + ... + 98708.

It is an arithmetic number, because the mean of its divisors is an integer number (12359844).

Almost surely, 2^120655005 is an apocalyptic number.

120655005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120655005 is a deficient number, since it is larger than the sum of its proper divisors (77102499).

120655005 is a wasteful number, since it uses less digits than its factorization.

120655005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196236.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 120655005 is about 10984.3072152958. The cubic root of 120655005 is about 494.1382209779.

The spelling of 120655005 in words is "one hundred twenty million, six hundred fifty-five thousand, five".