120730 has 8 divisors (see below), whose sum is σ = 217332. Its totient is φ = 48288.

The previous prime is 120721. The next prime is 120737. The reversal of 120730 is 37021.

It can be written as a sum of positive squares in 2 ways, for example, as 103041 + 17689 = 321^2 + 133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120730.

It is not an unprimeable number, because it can be changed into a prime (120737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6027 + ... + 6046.

2¹²⁰⁷³⁰ is an apocalyptic number.

120730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120730 is a deficient number, since it is larger than the sum of its proper divisors (96602).

120730 is a wasteful number, since it uses less digits than its factorization.

120730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 120730 is about 347.4622281630. The cubic root of 120730 is about 49.4240579546.

Adding to 120730 its reverse (37021), we get a palindrome (157751).

The spelling of 120730 in words is "one hundred twenty thousand, seven hundred thirty".