120660355 has 16 divisors (see below), whose sum is σ = 152704800. Its totient is φ = 91272960.

The previous prime is 120660343. The next prime is 120660359. The reversal of 120660355 is 553066021.

It is not a de Polignac number, because 120660355 - 2⁷ = 120660227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120660359) 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 in 15 ways as a sum of consecutive naturals, for example, 71461 + ... + 73129.

It is an arithmetic number, because the mean of its divisors is an integer number (9544050).

Almost surely, 2^120660355 is an apocalyptic number.

120660355 is a deficient number, since it is larger than the sum of its proper divisors (32044445).

120660355 is a wasteful number, since it uses less digits than its factorization.

120660355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 120660355 is about 10984.5507418374. The cubic root of 120660355 is about 494.1455244473.

The spelling of 120660355 in words is "one hundred twenty million, six hundred sixty thousand, three hundred fifty-five".