120605221 has 8 divisors (see below), whose sum is σ = 135813888. Its totient is φ = 106104000.

The previous prime is 120605213. The next prime is 120605267. The reversal of 120605221 is 122506021.

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

It is a cyclic number.

It is not a de Polignac number, because 120605221 - 2³ = 120605213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120605291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176500 + ... + 177181.

It is an arithmetic number, because the mean of its divisors is an integer number (16976736).

Almost surely, 2^120605221 is an apocalyptic number.

120605221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120605221 is a deficient number, since it is larger than the sum of its proper divisors (15208667).

120605221 is a wasteful number, since it uses less digits than its factorization.

120605221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353723.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 120605221 is about 10982.0408394797. The cubic root of 120605221 is about 494.0702487695.

The spelling of 120605221 in words is "one hundred twenty million, six hundred five thousand, two hundred twenty-one".