122239936 has 112 divisors (see below), whose sum is σ = 302686720. Its totient is φ = 47692800.

The previous prime is 122239891. The next prime is 122239951. The reversal of 122239936 is 639932221.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 122239895 and 122239904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809461 + ... + 809611.

It is an arithmetic number, because the mean of its divisors is an integer number (2702560).

Almost surely, 2^122239936 is an apocalyptic number.

122239936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122239936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151343360).

122239936 is an abundant number, since it is smaller than the sum of its proper divisors (180446784).

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

122239936 is a wasteful number, since it uses less digits than its factorization.

122239936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 312 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 122239936 is about 11056.2170745694. The cubic root of 122239936 is about 496.2924913756.

The spelling of 122239936 in words is "one hundred twenty-two million, two hundred thirty-nine thousand, nine hundred thirty-six".