122738392029 has 16 divisors (see below), whose sum is σ = 178536133440. Its totient is φ = 74383752960.

The previous prime is 122738392009. The next prime is 122738392061. The reversal of 122738392029 is 920293837221.

It is a happy number.

It is not a de Polignac number, because 122738392029 - 2²⁸ = 122469956573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122738392009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889669 + ... + 1018325.

It is an arithmetic number, because the mean of its divisors is an integer number (11158508340).

Almost surely, 2^122738392029 is an apocalyptic number.

It is an amenable number.

122738392029 is a deficient number, since it is larger than the sum of its proper divisors (55797741411).

122738392029 is a wasteful number, since it uses less digits than its factorization.

122738392029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157580.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 122738392029 in words is "one hundred twenty-two billion, seven hundred thirty-eight million, three hundred ninety-two thousand, twenty-nine".