120530051 has 12 divisors (see below), whose sum is σ = 133611312. Its totient is φ = 108501888.

The previous prime is 120530041. The next prime is 120530089. The reversal of 120530051 is 150035021.

It is not a de Polignac number, because 120530051 - 2⁶ = 120529987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120530041) 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 in 11 ways as a sum of consecutive naturals, for example, 2420 + ... + 15713.

It is an arithmetic number, because the mean of its divisors is an integer number (11134276).

Almost surely, 2^120530051 is an apocalyptic number.

120530051 is a deficient number, since it is larger than the sum of its proper divisors (13081261).

120530051 is a wasteful number, since it uses less digits than its factorization.

120530051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18190 (or 18173 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 120530051 is about 10978.6179002641. The cubic root of 120530051 is about 493.9675805242.

Adding to 120530051 its reverse (150035021), we get a palindrome (270565072).

The spelling of 120530051 in words is "one hundred twenty million, five hundred thirty thousand, fifty-one".