122364478443 has 4 divisors (see below), whose sum is σ = 163152637928. Its totient is φ = 81576318960.

The previous prime is 122364478429. The next prime is 122364478451. The reversal of 122364478443 is 344874463221.

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

It is a de Polignac number, because none of the positive numbers 2^k-122364478443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122364478392 and 122364478401.

It is not an unprimeable number, because it can be changed into a prime (122364478403) 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, 20394079738 + ... + 20394079743.

It is an arithmetic number, because the mean of its divisors is an integer number (40788159482).

Almost surely, 2^122364478443 is an apocalyptic number.

122364478443 is a deficient number, since it is larger than the sum of its proper divisors (40788159485).

122364478443 is an equidigital number, since it uses as much as digits as its factorization.

122364478443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40788159484.

The product of its digits is 3096576, while the sum is 48.

The spelling of 122364478443 in words is "one hundred twenty-two billion, three hundred sixty-four million, four hundred seventy-eight thousand, four hundred forty-three".