120620055 has 16 divisors (see below), whose sum is σ = 193526784. Its totient is φ = 64152480.

The previous prime is 120620053. The next prime is 120620057. The reversal of 120620055 is 550026021.

It is an interprime number because it is at equal distance from previous prime (120620053) and next prime (120620057).

It is not a de Polignac number, because 120620055 - 2¹ = 120620053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120620053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5451 + ... + 16460.

It is an arithmetic number, because the mean of its divisors is an integer number (12095424).

Almost surely, 2^120620055 is an apocalyptic number.

120620055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120620055 is a deficient number, since it is larger than the sum of its proper divisors (72906729).

120620055 is a wasteful number, since it uses less digits than its factorization.

120620055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22286.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 120620055 is about 10982.7161940933. The cubic root of 120620055 is about 494.0905042155.

Adding to 120620055 its reverse (550026021), we get a palindrome (670646076).

The spelling of 120620055 in words is "one hundred twenty million, six hundred twenty thousand, fifty-five".