120512055 has 8 divisors (see below), whose sum is σ = 192819312. Its totient is φ = 64273088.

The previous prime is 120511991. The next prime is 120512107. The reversal of 120512055 is 550215021.

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 120512055 - 2⁶ = 120511991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4017054 + ... + 4017083.

It is an arithmetic number, because the mean of its divisors is an integer number (24102414).

Almost surely, 2^120512055 is an apocalyptic number.

120512055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120512055 is a deficient number, since it is larger than the sum of its proper divisors (72307257).

120512055 is an equidigital number, since it uses as much as digits as its factorization.

120512055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034145.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 120512055 is about 10977.7982765216. The cubic root of 120512055 is about 493.9429950012.

Adding to 120512055 its reverse (550215021), we get a palindrome (670727076).

The spelling of 120512055 in words is "one hundred twenty million, five hundred twelve thousand, fifty-five".