120421033 has 2 divisors, whose sum is σ = 120421034. Its totient is φ = 120421032.

The previous prime is 120421001. The next prime is 120421099. The reversal of 120421033 is 330124021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118657449 + 1763584 = 10893^2 + 1328^2 .

It is an emirp because it is prime and its reverse (330124021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120421033 - 2⁵ = 120421001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120420998 and 120421016.

It is not a weakly prime, because it can be changed into another prime (120421333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60210516 + 60210517.

It is an arithmetic number, because the mean of its divisors is an integer number (60210517).

Almost surely, 2^120421033 is an apocalyptic number.

It is an amenable number.

120421033 is a deficient number, since it is larger than the sum of its proper divisors (1).

120421033 is an equidigital number, since it uses as much as digits as its factorization.

120421033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 120421033 is about 10973.6517622895. The cubic root of 120421033 is about 493.8186063296.

Adding to 120421033 its reverse (330124021), we get a palindrome (450545054).

The spelling of 120421033 in words is "one hundred twenty million, four hundred twenty-one thousand, thirty-three".