120322021 has 6 divisors (see below), whose sum is σ = 122938790. Its totient is φ = 117759816.

The previous prime is 120322009. The next prime is 120322043. The reversal of 120322021 is 120223021.

It can be written as a sum of positive squares in only one way, i.e., 111830625 + 8491396 = 10575^2 + 2914^2 .

It is not a de Polignac number, because 120322021 - 2⁵ = 120321989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120321992 and 120322010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120322091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25026 + ... + 29443.

Almost surely, 2^120322021 is an apocalyptic number.

It is an amenable number.

120322021 is a deficient number, since it is larger than the sum of its proper divisors (2616769).

120322021 is an frugal number, since it uses more digits than its factorization.

120322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54563 (or 54516 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 120322021 is about 10969.1394831135. The cubic root of 120322021 is about 493.6832275030.

Adding to 120322021 its reverse (120223021), we get a palindrome (240545042).

The spelling of 120322021 in words is "one hundred twenty million, three hundred twenty-two thousand, twenty-one".