120635455 has 4 divisors (see below), whose sum is σ = 144762552. Its totient is φ = 96508360.

The previous prime is 120635419. The next prime is 120635467. The reversal of 120635455 is 554536021.

120635455 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554536021 = 13 ⋅42656617.

It is not a de Polignac number, because 120635455 - 2⁷ = 120635327 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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, 12063541 + ... + 12063550.

It is an arithmetic number, because the mean of its divisors is an integer number (36190638).

Almost surely, 2^120635455 is an apocalyptic number.

120635455 is a deficient number, since it is larger than the sum of its proper divisors (24127097).

120635455 is an equidigital number, since it uses as much as digits as its factorization.

120635455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24127096.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 120635455 is about 10983.4172733262. The cubic root of 120635455 is about 494.1115307630. Note that the first 3 decimals are identical.

The spelling of 120635455 in words is "one hundred twenty million, six hundred thirty-five thousand, four hundred fifty-five".