120530351 has 4 divisors (see below), whose sum is σ = 124686600. Its totient is φ = 116374104.

The previous prime is 120530339. The next prime is 120530393. The reversal of 120530351 is 153035021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153035021 = 277 ⋅552473.

It is a cyclic number.

It is not a de Polignac number, because 120530351 - 2⁶ = 120530287 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 (120530251) 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 in 3 ways as a sum of consecutive naturals, for example, 2078081 + ... + 2078138.

It is an arithmetic number, because the mean of its divisors is an integer number (31171650).

Almost surely, 2^120530351 is an apocalyptic number.

120530351 is a deficient number, since it is larger than the sum of its proper divisors (4156249).

120530351 is an equidigital number, since it uses as much as digits as its factorization.

120530351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156248.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 120530351 is about 10978.6315631776. The cubic root of 120530351 is about 493.9679903533.

Adding to 120530351 its reverse (153035021), we get a palindrome (273565372).

The spelling of 120530351 in words is "one hundred twenty million, five hundred thirty thousand, three hundred fifty-one".