120131055 has 24 divisors (see below), whose sum is σ = 227157840. Its totient is φ = 58245120.

The previous prime is 120131023. The next prime is 120131057. The reversal of 120131055 is 550131021.

It is not a de Polignac number, because 120131055 - 2⁵ = 120131023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120850 + ... + 121839.

It is an arithmetic number, because the mean of its divisors is an integer number (9464910).

Almost surely, 2^120131055 is an apocalyptic number.

120131055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120131055 is a deficient number, since it is larger than the sum of its proper divisors (107026785).

120131055 is a wasteful number, since it uses less digits than its factorization.

120131055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242711 (or 242708 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 120131055 is about 10960.4313327533. The cubic root of 120131055 is about 493.4219103289.

Adding to 120131055 its reverse (550131021), we get a palindrome (670262076).

The spelling of 120131055 in words is "one hundred twenty million, one hundred thirty-one thousand, fifty-five".