122338721746 has 16 divisors (see below), whose sum is σ = 185491995480. Its totient is φ = 60509877120.

The previous prime is 122338721741. The next prime is 122338721789. The reversal of 122338721746 is 647127833221.

It can be written as a sum of positive squares in 4 ways, for example, as 82835171721 + 39503550025 = 287811^2 + 198755^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122338721696 and 122338721705.

It is not an unprimeable number, because it can be changed into a prime (122338721741) 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, 320265 + ... + 589276.

Almost surely, 2^122338721746 is an apocalyptic number.

122338721746 is a deficient number, since it is larger than the sum of its proper divisors (63153273734).

122338721746 is a wasteful number, since it uses less digits than its factorization.

122338721746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910269.

The product of its digits is 677376, while the sum is 46.

The spelling of 122338721746 in words is "one hundred twenty-two billion, three hundred thirty-eight million, seven hundred twenty-one thousand, seven hundred forty-six".