120511255 has 8 divisors (see below), whose sum is σ = 144904032. Its totient is φ = 96215328.

The previous prime is 120511219. The next prime is 120511271. The reversal of 120511255 is 552115021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120511255 - 2⁹ = 120510743 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21444 + ... + 26473.

It is an arithmetic number, because the mean of its divisors is an integer number (18113004).

Almost surely, 2^120511255 is an apocalyptic number.

120511255 is a deficient number, since it is larger than the sum of its proper divisors (24392777).

120511255 is an equidigital number, since it uses as much as digits as its factorization.

120511255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48425.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 120511255 is about 10977.7618392822. The cubic root of 120511255 is about 493.9419020116.

Adding to 120511255 its reverse (552115021), we get a palindrome (672626276).

The spelling of 120511255 in words is "one hundred twenty million, five hundred eleven thousand, two hundred fifty-five".