122773371855 has 16 divisors (see below), whose sum is σ = 196553464800. Its totient is φ = 65440441728.

The previous prime is 122773371841. The next prime is 122773371857. The reversal of 122773371855 is 558173377221.

It is not a de Polignac number, because 122773371855 - 2⁵ = 122773371823 is a prime.

It is a super-2 number, since 2×122773371855² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122773371798 and 122773371807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122773371857) 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, 2391880 + ... + 2442669.

It is an arithmetic number, because the mean of its divisors is an integer number (12284591550).

Almost surely, 2^122773371855 is an apocalyptic number.

122773371855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122773371855 is a deficient number, since it is larger than the sum of its proper divisors (73780092945).

122773371855 is a wasteful number, since it uses less digits than its factorization.

122773371855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836250.

The product of its digits is 2469600, while the sum is 51.

The spelling of 122773371855 in words is "one hundred twenty-two billion, seven hundred seventy-three million, three hundred seventy-one thousand, eight hundred fifty-five".