122000055 has 16 divisors (see below), whose sum is σ = 195337440. Its totient is φ = 65020928.

The previous prime is 122000033. The next prime is 122000057. The reversal of 122000055 is 550000221.

It is a cyclic number.

It is not a de Polignac number, because 122000055 - 2⁶ = 121999991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 121999998 and 122000043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37951 + ... + 41039.

It is an arithmetic number, because the mean of its divisors is an integer number (12208590).

Almost surely, 2^122000055 is an apocalyptic number.

122000055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122000055 is a deficient number, since it is larger than the sum of its proper divisors (73337385).

122000055 is a wasteful number, since it uses less digits than its factorization.

122000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 122000055 is about 11045.3635069200. The cubic root of 122000055 is about 495.9676409149.

Adding to 122000055 its reverse (550000221), we get a palindrome (672000276).

The spelling of 122000055 in words is "one hundred twenty-two million, fifty-five", and thus it is an aban number.