120927221 has 4 divisors (see below), whose sum is σ = 121123200. Its totient is φ = 120731244.

The previous prime is 120927217. The next prime is 120927259. The reversal of 120927221 is 122729021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120927221 - 2² = 120927217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120947221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97061 + ... + 98298.

It is an arithmetic number, because the mean of its divisors is an integer number (30280800).

Almost surely, 2^120927221 is an apocalyptic number.

It is an amenable number.

120927221 is a deficient number, since it is larger than the sum of its proper divisors (195979).

120927221 is an equidigital number, since it uses as much as digits as its factorization.

120927221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195978.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 120927221 is about 10996.6913660428. The cubic root of 120927221 is about 494.5095587894.

The spelling of 120927221 in words is "one hundred twenty million, nine hundred twenty-seven thousand, two hundred twenty-one".