120730424 has 8 divisors (see below), whose sum is σ = 226369560. Its totient is φ = 60365208.

The previous prime is 120730397. The next prime is 120730433. The reversal of 120730424 is 424037021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 120730424.

It is a congruent number.

It is an unprimeable number.

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, 7545644 + ... + 7545659.

It is an arithmetic number, because the mean of its divisors is an integer number (28296195).

Almost surely, 2^120730424 is an apocalyptic number.

It is an amenable number.

120730424 is a deficient number, since it is larger than the sum of its proper divisors (105639136).

120730424 is a wasteful number, since it uses less digits than its factorization.

120730424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15091309 (or 15091305 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 120730424 is about 10987.7397129710. The cubic root of 120730424 is about 494.2411581310.

Adding to 120730424 its reverse (424037021), we get a palindrome (544767445).

The spelling of 120730424 in words is "one hundred twenty million, seven hundred thirty thousand, four hundred twenty-four".