122764312643 has 8 divisors (see below), whose sum is σ = 141231225600. Its totient is φ = 104529688200.

The previous prime is 122764312621. The next prime is 122764312673. The reversal of 122764312643 is 346213467221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122764312643 - 2⁶ = 122764312579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122764312643.

It is not an unprimeable number, because it can be changed into a prime (122764312603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58070993 + ... + 58073106.

It is an arithmetic number, because the mean of its divisors is an integer number (17653903200).

Almost surely, 2^122764312643 is an apocalyptic number.

122764312643 is a deficient number, since it is larger than the sum of its proper divisors (18466912957).

122764312643 is a wasteful number, since it uses less digits than its factorization.

122764312643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116144257.

The product of its digits is 290304, while the sum is 41.

Adding to 122764312643 its reverse (346213467221), we get a palindrome (468977779864).

The spelling of 122764312643 in words is "one hundred twenty-two billion, seven hundred sixty-four million, three hundred twelve thousand, six hundred forty-three".