120154213 has 2 divisors, whose sum is σ = 120154214. Its totient is φ = 120154212.

The previous prime is 120154211. The next prime is 120154219. The reversal of 120154213 is 312451021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69772609 + 50381604 = 8353^2 + 7098^2 .

It is a cyclic number.

It is not a de Polignac number, because 120154213 - 2¹ = 120154211 is a prime.

Together with 120154211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120154211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60077106 + 60077107.

It is an arithmetic number, because the mean of its divisors is an integer number (60077107).

Almost surely, 2^120154213 is an apocalyptic number.

It is an amenable number.

120154213 is a deficient number, since it is larger than the sum of its proper divisors (1).

120154213 is an equidigital number, since it uses as much as digits as its factorization.

120154213 is an odious number, because the sum of its binary digits is odd.

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

The square root of 120154213 is about 10961.4877183711. The cubic root of 120154213 is about 493.4536143997.

The spelling of 120154213 in words is "one hundred twenty million, one hundred fifty-four thousand, two hundred thirteen".