122731451347 has 2 divisors, whose sum is σ = 122731451348. Its totient is φ = 122731451346.

The previous prime is 122731451317. The next prime is 122731451417. The reversal of 122731451347 is 743154137221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122731451347 is a prime.

It is a super-2 number, since 2×122731451347² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122731451317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61365725673 + 61365725674.

It is an arithmetic number, because the mean of its divisors is an integer number (61365725674).

Almost surely, 2^122731451347 is an apocalyptic number.

122731451347 is a deficient number, since it is larger than the sum of its proper divisors (1).

122731451347 is an equidigital number, since it uses as much as digits as its factorization.

122731451347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

Adding to 122731451347 its reverse (743154137221), we get a palindrome (865885588568).

The spelling of 122731451347 in words is "one hundred twenty-two billion, seven hundred thirty-one million, four hundred fifty-one thousand, three hundred forty-seven".