120122213 has 4 divisors (see below), whose sum is σ = 120229740. Its totient is φ = 120014688.

The previous prime is 120122209. The next prime is 120122227. The reversal of 120122213 is 312221021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73650724 + 46471489 = 8582^2 + 6817^2 .

It is a cyclic number.

It is not a de Polignac number, because 120122213 - 2² = 120122209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52070 + ... + 54327.

It is an arithmetic number, because the mean of its divisors is an integer number (30057435).

Almost surely, 2^120122213 is an apocalyptic number.

It is an amenable number.

120122213 is a deficient number, since it is larger than the sum of its proper divisors (107527).

120122213 is a wasteful number, since it uses less digits than its factorization.

120122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107526.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120122213 is about 10960.0279652928. The cubic root of 120122213 is about 493.4098042625.

Adding to 120122213 its reverse (312221021), we get a palindrome (432343234).

The spelling of 120122213 in words is "one hundred twenty million, one hundred twenty-two thousand, two hundred thirteen".