122722652109 has 16 divisors (see below), whose sum is σ = 173638540800. Its totient is φ = 76931515056.

The previous prime is 122722652083. The next prime is 122722652111. The reversal of 122722652109 is 901256227221.

It is not a de Polignac number, because 122722652109 - 2¹⁷ = 122722521037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122722652159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15068719 + ... + 15076860.

It is an arithmetic number, because the mean of its divisors is an integer number (10852408800).

Almost surely, 2^122722652109 is an apocalyptic number.

It is an amenable number.

122722652109 is a deficient number, since it is larger than the sum of its proper divisors (50915888691).

122722652109 is a wasteful number, since it uses less digits than its factorization.

122722652109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30145664.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 122722652109 in words is "one hundred twenty-two billion, seven hundred twenty-two million, six hundred fifty-two thousand, one hundred nine".