120413221 has 2 divisors, whose sum is σ = 120413222. Its totient is φ = 120413220.

The previous prime is 120413213. The next prime is 120413233. The reversal of 120413221 is 122314021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112656996 + 7756225 = 10614^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 120413221 - 2³ = 120413213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120413195 and 120413204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120413521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60206610 + 60206611.

It is an arithmetic number, because the mean of its divisors is an integer number (60206611).

Almost surely, 2^120413221 is an apocalyptic number.

It is an amenable number.

120413221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120413221 is an equidigital number, since it uses as much as digits as its factorization.

120413221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 120413221 is about 10973.2958130181. The cubic root of 120413221 is about 493.8079277012.

Adding to 120413221 its reverse (122314021), we get a palindrome (242727242).

The spelling of 120413221 in words is "one hundred twenty million, four hundred thirteen thousand, two hundred twenty-one".