120030221 has 8 divisors (see below), whose sum is σ = 121393080. Its totient is φ = 118674688.

The previous prime is 120030203. The next prime is 120030259. The reversal of 120030221 is 122030021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15888196 + 104142025 = 3986^2 + 10205^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120030221 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 (120035221) 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, 35225 + ... + 38481.

It is an arithmetic number, because the mean of its divisors is an integer number (15174135).

Almost surely, 2^120030221 is an apocalyptic number.

It is an amenable number.

120030221 is a deficient number, since it is larger than the sum of its proper divisors (1362859).

120030221 is a wasteful number, since it uses less digits than its factorization.

120030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 120030221 is about 10955.8304568846. The cubic root of 120030221 is about 493.2838177212.

Adding to 120030221 its reverse (122030021), we get a palindrome (242060242).

The spelling of 120030221 in words is "one hundred twenty million, thirty thousand, two hundred twenty-one".