122304450721 has 8 divisors (see below), whose sum is σ = 124140065600. Its totient is φ = 120469135248.

The previous prime is 122304450683. The next prime is 122304450727. The reversal of 122304450721 is 127054403221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122304450721 - 2¹⁵ = 122304417953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122304450727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829615 + ... + 965851.

It is an arithmetic number, because the mean of its divisors is an integer number (15517508200).

Almost surely, 2^122304450721 is an apocalyptic number.

It is an amenable number.

122304450721 is a deficient number, since it is larger than the sum of its proper divisors (1835614879).

122304450721 is a wasteful number, since it uses less digits than its factorization.

122304450721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149703.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 122304450721 its reverse (127054403221), we get a palindrome (249358853942).

The spelling of 122304450721 in words is "one hundred twenty-two billion, three hundred four million, four hundred fifty thousand, seven hundred twenty-one".