122065636 has 96 divisors (see below), whose sum is σ = 277482240. Its totient is φ = 45619200.

The previous prime is 122065621. The next prime is 122065637. The reversal of 122065636 is 636560221.

It is a junction number, because it is equal to n+sod(n) for n = 122065598 and 122065607.

It is not an unprimeable number, because it can be changed into a prime (122065637) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1371480 + ... + 1371568.

It is an arithmetic number, because the mean of its divisors is an integer number (2890440).

Almost surely, 2^122065636 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 122065636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138741120).

122065636 is an abundant number, since it is smaller than the sum of its proper divisors (155416604).

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

122065636 is a wasteful number, since it uses less digits than its factorization.

122065636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 122065636 is about 11048.3318197817. The cubic root of 122065636 is about 496.0564939554.

The spelling of 122065636 in words is "one hundred twenty-two million, sixty-five thousand, six hundred thirty-six".