122154204431 has 8 divisors (see below), whose sum is σ = 139608295200. Its totient is φ = 104700986208.

The previous prime is 122154204421. The next prime is 122154204457. The reversal of 122154204431 is 134402451221.

It is a happy number.

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

It is not a de Polignac number, because 122154204431 - 2¹⁴ = 122154188047 is a prime.

It is a super-2 number, since 2×122154204431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122154204394 and 122154204403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122154204421) 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, 115985 + ... + 507701.

It is an arithmetic number, because the mean of its divisors is an integer number (17451036900).

Almost surely, 2^122154204431 is an apocalyptic number.

122154204431 is a deficient number, since it is larger than the sum of its proper divisors (17454090769).

122154204431 is an equidigital number, since it uses as much as digits as its factorization.

122154204431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436273.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 122154204431 its reverse (134402451221), we get a palindrome (256556655652).

The spelling of 122154204431 in words is "one hundred twenty-two billion, one hundred fifty-four million, two hundred four thousand, four hundred thirty-one".