122030221 has 8 divisors (see below), whose sum is σ = 125060760. Its totient is φ = 119026752.

The previous prime is 122030201. The next prime is 122030239.

122030221 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 18275625 + 103754596 = 4275^2 + 10186^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 122030221 - 2⁷ = 122030093 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 (122030201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515 + ... + 15823.

It is an arithmetic number, because the mean of its divisors is an integer number (15632595).

Almost surely, 2^122030221 is an apocalyptic number.

It is an amenable number.

122030221 is a deficient number, since it is larger than the sum of its proper divisors (3030539).

122030221 is a wasteful number, since it uses less digits than its factorization.

122030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122030221 is about 11046.7289728679. The cubic root of 122030221 is about 496.0085155601.

The spelling of 122030221 in words is "one hundred twenty-two million, thirty thousand, two hundred twenty-one".