120011255 has 16 divisors (see below), whose sum is σ = 177248064. Its totient is φ = 75962880.

The previous prime is 120011233. The next prime is 120011267. The reversal of 120011255 is 552110021.

It is not a de Polignac number, because 120011255 - 2⁸ = 120010999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131426 + ... + 132335.

It is an arithmetic number, because the mean of its divisors is an integer number (11078004).

Almost surely, 2^120011255 is an apocalyptic number.

120011255 is a deficient number, since it is larger than the sum of its proper divisors (57236809).

120011255 is a wasteful number, since it uses less digits than its factorization.

120011255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263786.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 120011255 is about 10954.9648561737. The cubic root of 120011255 is about 493.2578350601.

Adding to 120011255 its reverse (552110021), we get a palindrome (672121276).

The spelling of 120011255 in words is "one hundred twenty million, eleven thousand, two hundred fifty-five".