122366780247 has 4 divisors (see below), whose sum is σ = 163155707000. Its totient is φ = 81577853496.

The previous prime is 122366780243. The next prime is 122366780267. The reversal of 122366780247 is 742087663221.

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

It is not a de Polignac number, because 122366780247 - 2² = 122366780243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122366780196 and 122366780205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122366780243) 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, 20394463372 + ... + 20394463377.

It is an arithmetic number, because the mean of its divisors is an integer number (40788926750).

Almost surely, 2^122366780247 is an apocalyptic number.

122366780247 is a deficient number, since it is larger than the sum of its proper divisors (40788926753).

122366780247 is an equidigital number, since it uses as much as digits as its factorization.

122366780247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40788926752.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 122366780247 in words is "one hundred twenty-two billion, three hundred sixty-six million, seven hundred eighty thousand, two hundred forty-seven".