122065221 has 8 divisors (see below), whose sum is σ = 162841120. Its totient is φ = 81333072.

The previous prime is 122065211. The next prime is 122065243. The reversal of 122065221 is 122560221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122065221 - 2¹¹ = 122063173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122065211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3751 + ... + 16068.

It is an arithmetic number, because the mean of its divisors is an integer number (20355140).

Almost surely, 2^122065221 is an apocalyptic number.

It is an amenable number.

122065221 is a deficient number, since it is larger than the sum of its proper divisors (40775899).

122065221 is a wasteful number, since it uses less digits than its factorization.

122065221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21875.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 122065221 is about 11048.3130386498. The cubic root of 122065221 is about 496.0559317887.

The spelling of 122065221 in words is "one hundred twenty-two million, sixty-five thousand, two hundred twenty-one".