120433221 has 24 divisors (see below), whose sum is σ = 182772096. Its totient is φ = 76269600.

The previous prime is 120433217. The next prime is 120433241. The reversal of 120433221 is 122334021.

120433221 is a `hidden beast` number, since 12 + 0 + 433 + 221 = 666.

It is not a de Polignac number, because 120433221 - 2² = 120433217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120433194 and 120433203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120433241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29331 + ... + 33183.

It is an arithmetic number, because the mean of its divisors is an integer number (7615504).

Almost surely, 2^120433221 is an apocalyptic number.

It is an amenable number.

120433221 is a deficient number, since it is larger than the sum of its proper divisors (62338875).

120433221 is a wasteful number, since it uses less digits than its factorization.

120433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033 (or 4030 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 120433221 is about 10974.2070784180. The cubic root of 120433221 is about 493.8352658172.

Adding to 120433221 its reverse (122334021), we get a palindrome (242767242).

The spelling of 120433221 in words is "one hundred twenty million, four hundred thirty-three thousand, two hundred twenty-one".