122428085558 has 32 divisors (see below), whose sum is σ = 186749712000. Its totient is φ = 60185309184.

The previous prime is 122428085503. The next prime is 122428085561. The reversal of 122428085558 is 855580824221.

It is a super-3 number, since 3×122428085558³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 43769816 + ... + 43772612.

It is an arithmetic number, because the mean of its divisors is an integer number (5835928500).

Almost surely, 2^122428085558 is an apocalyptic number.

122428085558 is a deficient number, since it is larger than the sum of its proper divisors (64321626442).

122428085558 is a wasteful number, since it uses less digits than its factorization.

122428085558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944.

The product of its (nonzero) digits is 2048000, while the sum is 50.

The spelling of 122428085558 in words is "one hundred twenty-two billion, four hundred twenty-eight million, eighty-five thousand, five hundred fifty-eight".