122553055 has 4 divisors (see below), whose sum is σ = 147063672. Its totient is φ = 98042440.

The previous prime is 122553047. The next prime is 122553071. The reversal of 122553055 is 550355221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550355221 = 13 ⋅42335017.

It is not a de Polignac number, because 122553055 - 2³ = 122553047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12255301 + ... + 12255310.

It is an arithmetic number, because the mean of its divisors is an integer number (36765918).

Almost surely, 2^122553055 is an apocalyptic number.

122553055 is a deficient number, since it is larger than the sum of its proper divisors (24510617).

122553055 is an equidigital number, since it uses as much as digits as its factorization.

122553055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24510616.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 122553055 is about 11070.3683317223. The cubic root of 122553055 is about 496.7158830458.

The spelling of 122553055 in words is "one hundred twenty-two million, five hundred fifty-three thousand, fifty-five".