120304253 has 2 divisors, whose sum is σ = 120304254. Its totient is φ = 120304252.

The previous prime is 120304199. The next prime is 120304259. The reversal of 120304253 is 352403021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105226564 + 15077689 = 10258^2 + 3883^2 .

It is an emirp because it is prime and its reverse (352403021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120304253 - 2¹⁰ = 120303229 is a prime.

It is a super-2 number, since 2×120304253² = 28946226579776018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120304259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60152126 + 60152127.

It is an arithmetic number, because the mean of its divisors is an integer number (60152127).

Almost surely, 2^120304253 is an apocalyptic number.

It is an amenable number.

120304253 is a deficient number, since it is larger than the sum of its proper divisors (1).

120304253 is an equidigital number, since it uses as much as digits as its factorization.

120304253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 120304253 is about 10968.3295446481. The cubic root of 120304253 is about 493.6589255082.

Adding to 120304253 its reverse (352403021), we get a palindrome (472707274).

The spelling of 120304253 in words is "one hundred twenty million, three hundred four thousand, two hundred fifty-three".