122565173803408 has 80 divisors (see below), whose sum is σ = 287430852613120. Its totient is φ = 49458007168128.

The previous prime is 122565173803339. The next prime is 122565173803447. The reversal of 122565173803408 is 804308371565221.

122565173803408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×122565173803408³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176329260 + ... + 177022987.

It is an arithmetic number, because the mean of its divisors is an integer number (3592885657664).

Almost surely, 2^{122565173803408} is an apocalyptic number.

It is an amenable number.

122565173803408 is an abundant number, since it is smaller than the sum of its proper divisors (164865678809712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122565173803408 is a wasteful number, since it uses less digits than its factorization.

122565173803408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353352444 (or 353352438 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 122565173803408 in words is "one hundred twenty-two trillion, five hundred sixty-five billion, one hundred seventy-three million, eight hundred three thousand, four hundred eight".