120930255 has 24 divisors (see below), whose sum is σ = 209886768. Its totient is φ = 64411776.

The previous prime is 120930241. The next prime is 120930281. The reversal of 120930255 is 552039021.

It is not a de Polignac number, because 120930255 - 2⁴ = 120930239 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 49339 + ... + 51731.

It is an arithmetic number, because the mean of its divisors is an integer number (8745282).

Almost surely, 2^120930255 is an apocalyptic number.

120930255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120930255 is a deficient number, since it is larger than the sum of its proper divisors (88956513).

120930255 is a wasteful number, since it uses less digits than its factorization.

120930255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527 (or 3524 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 120930255 is about 10996.8293157619. The cubic root of 120930255 is about 494.5136944158.

Adding to 120930255 its reverse (552039021), we get a palindrome (672969276).

The spelling of 120930255 in words is "one hundred twenty million, nine hundred thirty thousand, two hundred fifty-five".