120214821 has 8 divisors (see below), whose sum is σ = 161784864. Its totient is φ = 79394000.

The previous prime is 120214819. The next prime is 120214847. The reversal of 120214821 is 128412021.

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

It is not a de Polignac number, because 120214821 - 2¹ = 120214819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120214421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186930 + ... + 187571.

It is an arithmetic number, because the mean of its divisors is an integer number (20223108).

Almost surely, 2^120214821 is an apocalyptic number.

It is an amenable number.

120214821 is a deficient number, since it is larger than the sum of its proper divisors (41570043).

120214821 is a wasteful number, since it uses less digits than its factorization.

120214821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374611.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 120214821 is about 10964.2519580681. The cubic root of 120214821 is about 493.5365694865.

Adding to 120214821 its reverse (128412021), we get a palindrome (248626842).

The spelling of 120214821 in words is "one hundred twenty million, two hundred fourteen thousand, eight hundred twenty-one".