120227921 has 8 divisors (see below), whose sum is σ = 133005888. Its totient is φ = 107758000.

The previous prime is 120227897. The next prime is 120227929. The reversal of 120227921 is 129722021.

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-120227921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120227929) 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, 76190 + ... + 77751.

It is an arithmetic number, because the mean of its divisors is an integer number (16625736).

Almost surely, 2^120227921 is an apocalyptic number.

120227921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120227921 is a deficient number, since it is larger than the sum of its proper divisors (12777967).

120227921 is a wasteful number, since it uses less digits than its factorization.

120227921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154023.

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

The square root of 120227921 is about 10964.8493377702. The cubic root of 120227921 is about 493.5544959900.

Adding to 120227921 its reverse (129722021), we get a palindrome (249949942).

The spelling of 120227921 in words is "one hundred twenty million, two hundred twenty-seven thousand, nine hundred twenty-one".