122717055 has 32 divisors (see below), whose sum is σ = 204272640. Its totient is φ = 62858880.

The previous prime is 122717051. The next prime is 122717057. The reversal of 122717055 is 550717221.

It is not a de Polignac number, because 122717055 - 2² = 122717051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122717051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37786 + ... + 40904.

It is an arithmetic number, because the mean of its divisors is an integer number (6383520).

Almost surely, 2^122717055 is an apocalyptic number.

122717055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122717055 is a deficient number, since it is larger than the sum of its proper divisors (81555585).

122717055 is a wasteful number, since it uses less digits than its factorization.

122717055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 122717055 is about 11077.7730162700. The cubic root of 122717055 is about 496.9373520107.

The spelling of 122717055 in words is "one hundred twenty-two million, seven hundred seventeen thousand, fifty-five".