122405122223401 has 4 divisors (see below), whose sum is σ = 122408823315412. Its totient is φ = 122401421131392.

The previous prime is 122405122223399. The next prime is 122405122223467. The reversal of 122405122223401 is 104322221504221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19003069281001 + 103402052942400 = 4359251^2 + 10168680^2 .

It is a cyclic number.

It is not a de Polignac number, because 122405122223401 - 2¹ = 122405122223399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122405122263401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850496396 + ... + 1850562541.

It is an arithmetic number, because the mean of its divisors is an integer number (30602205828853).

Almost surely, 2^{122405122223401} is an apocalyptic number.

It is an amenable number.

122405122223401 is a deficient number, since it is larger than the sum of its proper divisors (3701092011).

122405122223401 is an equidigital number, since it uses as much as digits as its factorization.

122405122223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701092010.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 122405122223401 its reverse (104322221504221), we get a palindrome (226727343727622).

The spelling of 122405122223401 in words is "one hundred twenty-two trillion, four hundred five billion, one hundred twenty-two million, two hundred twenty-three thousand, four hundred one".