122355105402 has 16 divisors (see below), whose sum is σ = 245294249760. Its totient is φ = 40687695312.

The previous prime is 122355105377. The next prime is 122355105409. The reversal of 122355105402 is 204501553221.

It is a super-3 number, since 3×122355105402³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122355105402.

It is not an unprimeable number, because it can be changed into a prime (122355105409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24332233 + ... + 24337260.

It is an arithmetic number, because the mean of its divisors is an integer number (15330890610).

Almost surely, 2^122355105402 is an apocalyptic number.

122355105402 is an abundant number, since it is smaller than the sum of its proper divisors (122939144358).

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

122355105402 is a wasteful number, since it uses less digits than its factorization.

122355105402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48669917.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 122355105402 its reverse (204501553221), we get a palindrome (326856658623).

The spelling of 122355105402 in words is "one hundred twenty-two billion, three hundred fifty-five million, one hundred five thousand, four hundred two".