122739708 has 72 divisors (see below), whose sum is σ = 358799952. Its totient is φ = 32368896.

The previous prime is 122739703. The next prime is 122739713. The reversal of 122739708 is 807937221.

It is an interprime number because it is at equal distance from previous prime (122739703) and next prime (122739713).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122739703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385 + ... + 15672.

Almost surely, 2^122739708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122739708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179399976).

122739708 is an abundant number, since it is smaller than the sum of its proper divisors (236060244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122739708 is a wasteful number, since it uses less digits than its factorization.

122739708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16091 (or 16082 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 122739708 is about 11078.7954218859. The cubic root of 122739708 is about 496.9679275739.

The spelling of 122739708 in words is "one hundred twenty-two million, seven hundred thirty-nine thousand, seven hundred eight".