120444655 has 4 divisors (see below), whose sum is σ = 144533592. Its totient is φ = 96355720.

The previous prime is 120444631. The next prime is 120444661. The reversal of 120444655 is 556444021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120444655 - 2¹¹ = 120442607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12044461 + ... + 12044470.

It is an arithmetic number, because the mean of its divisors is an integer number (36133398).

Almost surely, 2^120444655 is an apocalyptic number.

120444655 is a deficient number, since it is larger than the sum of its proper divisors (24088937).

120444655 is an equidigital number, since it uses as much as digits as its factorization.

120444655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24088936.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 120444655 is about 10974.7280148530. The cubic root of 120444655 is about 493.8508936584.

Adding to 120444655 its reverse (556444021), we get a palindrome (676888676).

The spelling of 120444655 in words is "one hundred twenty million, four hundred forty-four thousand, six hundred fifty-five".