120125221 has 8 divisors (see below), whose sum is σ = 124407000. Its totient is φ = 115852800.

The previous prime is 120125219. The next prime is 120125249. The reversal of 120125221 is 122521021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12173121 + 107952100 = 3489^2 + 10390^2 .

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 120125221 - 2¹ = 120125219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120125195 and 120125204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120125261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33105 + ... + 36553.

It is an arithmetic number, because the mean of its divisors is an integer number (15550875).

Almost surely, 2^120125221 is an apocalyptic number.

It is an amenable number.

120125221 is a deficient number, since it is larger than the sum of its proper divisors (4281779).

120125221 is a wasteful number, since it uses less digits than its factorization.

120125221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 120125221 is about 10960.1651903610. The cubic root of 120125221 is about 493.4139227467.

Adding to 120125221 its reverse (122521021), we get a palindrome (242646242).

The spelling of 120125221 in words is "one hundred twenty million, one hundred twenty-five thousand, two hundred twenty-one".