122545442413 has 4 divisors (see below), whose sum is σ = 128995202560. Its totient is φ = 116095682268.

The previous prime is 122545442401. The next prime is 122545442417. The reversal of 122545442413 is 314244545221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122545442413 - 2²¹ = 122543345261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122545442417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3224880045 + ... + 3224880082.

It is an arithmetic number, because the mean of its divisors is an integer number (32248800640).

Almost surely, 2^122545442413 is an apocalyptic number.

It is an amenable number.

122545442413 is a deficient number, since it is larger than the sum of its proper divisors (6449760147).

122545442413 is an equidigital number, since it uses as much as digits as its factorization.

122545442413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6449760146.

The product of its digits is 153600, while the sum is 37.

Adding to 122545442413 its reverse (314244545221), we get a palindrome (436789987634).

The spelling of 122545442413 in words is "one hundred twenty-two billion, five hundred forty-five million, four hundred forty-two thousand, four hundred thirteen".