122401025430405 has 8 divisors (see below), whose sum is σ = 195841640688672. Its totient is φ = 65280546896208.

The previous prime is 122401025430403. The next prime is 122401025430413. The reversal of 122401025430405 is 504034520104221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122401025430405 - 2¹ = 122401025430403 is a prime.

It is a super-2 number, since 2×122401025430405² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122401025430403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4080034180999 + ... + 4080034181028.

It is an arithmetic number, because the mean of its divisors is an integer number (24480205086084).

Almost surely, 2^{122401025430405} is an apocalyptic number.

122401025430405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122401025430405 is a deficient number, since it is larger than the sum of its proper divisors (73440615258267).

122401025430405 is an equidigital number, since it uses as much as digits as its factorization.

122401025430405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160068362035.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 122401025430405 its reverse (504034520104221), we get a palindrome (626435545534626).

The spelling of 122401025430405 in words is "one hundred twenty-two trillion, four hundred one billion, twenty-five million, four hundred thirty thousand, four hundred five".