120313221 has 8 divisors (see below), whose sum is σ = 183334464. Its totient is φ = 68750400.

The previous prime is 120313217. The next prime is 120313273. The reversal of 120313221 is 122313021.

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

It is not a de Polignac number, because 120313221 - 2² = 120313217 is a prime.

It is a super-2 number, since 2×120313221² = 28950542294789682, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120313221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120317221) 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, 2864580 + ... + 2864621.

It is an arithmetic number, because the mean of its divisors is an integer number (22916808).

Almost surely, 2^120313221 is an apocalyptic number.

It is an amenable number.

120313221 is a deficient number, since it is larger than the sum of its proper divisors (63021243).

120313221 is an equidigital number, since it uses as much as digits as its factorization.

120313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729211.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 120313221 is about 10968.7383504212. The cubic root of 120313221 is about 493.6711916948.

Adding to 120313221 its reverse (122313021), we get a palindrome (242626242).

The spelling of 120313221 in words is "one hundred twenty million, three hundred thirteen thousand, two hundred twenty-one".