122401244305 has 4 divisors (see below), whose sum is σ = 146881493172. Its totient is φ = 97920995440.

The previous prime is 122401244293. The next prime is 122401244333. The reversal of 122401244305 is 503442104221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503442104221 = 7 ⋅71920300603.

It can be written as a sum of positive squares in 2 ways, for example, as 22046607361 + 100354636944 = 148481^2 + 316788^2 .

It is not a de Polignac number, because 122401244305 - 2²¹ = 122399147153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12240124426 + ... + 12240124435.

It is an arithmetic number, because the mean of its divisors is an integer number (36720373293).

Almost surely, 2^122401244305 is an apocalyptic number.

It is an amenable number.

122401244305 is a deficient number, since it is larger than the sum of its proper divisors (24480248867).

122401244305 is an equidigital number, since it uses as much as digits as its factorization.

122401244305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24480248866.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 122401244305 its reverse (503442104221), we get a palindrome (625843348526).

The spelling of 122401244305 in words is "one hundred twenty-two billion, four hundred one million, two hundred forty-four thousand, three hundred five".