122454121405 has 64 divisors (see below), whose sum is σ = 191277490176. Its totient is φ = 72974880000.

The previous prime is 122454121399. The next prime is 122454121417. The reversal of 122454121405 is 504121454221.

It is not a de Polignac number, because 122454121405 - 2²³ = 122445732797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24003355 + ... + 24008455.

It is an arithmetic number, because the mean of its divisors is an integer number (2988710784).

Almost surely, 2^122454121405 is an apocalyptic number.

It is an amenable number.

122454121405 is a deficient number, since it is larger than the sum of its proper divisors (68823368771).

122454121405 is a wasteful number, since it uses less digits than its factorization.

122454121405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 122454121405 its reverse (504121454221), we get a palindrome (626575575626).

The spelling of 122454121405 in words is "one hundred twenty-two billion, four hundred fifty-four million, one hundred twenty-one thousand, four hundred five".