122520055 has 8 divisors (see below), whose sum is σ = 168027552. Its totient is φ = 84013728.

The previous prime is 122520031. The next prime is 122520107. The reversal of 122520055 is 550025221.

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 122520055 - 2¹⁹ = 121995767 is a prime.

It is a super-2 number, since 2×122520055² = 30022327754406050, which contains 22 as substring.

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, 1750252 + ... + 1750321.

It is an arithmetic number, because the mean of its divisors is an integer number (21003444).

Almost surely, 2^122520055 is an apocalyptic number.

122520055 is a deficient number, since it is larger than the sum of its proper divisors (45507497).

122520055 is an equidigital number, since it uses as much as digits as its factorization.

122520055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500585.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 122520055 is about 11068.8777660610. The cubic root of 122520055 is about 496.6712952939.

Adding to 122520055 its reverse (550025221), we get a palindrome (672545276).

The spelling of 122520055 in words is "one hundred twenty-two million, five hundred twenty thousand, fifty-five".