120930538 has 4 divisors (see below), whose sum is σ = 181395810. Its totient is φ = 60465268.

The previous prime is 120930533. The next prime is 120930539. The reversal of 120930538 is 835039021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 117570649 + 3359889 = 10843^2 + 1833^2 .

It is not an unprimeable number, because it can be changed into a prime (120930533) 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 as a sum of consecutive naturals, namely, 30232633 + ... + 30232636.

Almost surely, 2^120930538 is an apocalyptic number.

120930538 is a deficient number, since it is larger than the sum of its proper divisors (60465272).

120930538 is an equidigital number, since it uses as much as digits as its factorization.

120930538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60465271.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 120930538 is about 10996.8421830997. The cubic root of 120930538 is about 494.5140801678.

Adding to 120930538 its reverse (835039021), we get a palindrome (955969559).

The spelling of 120930538 in words is "one hundred twenty million, nine hundred thirty thousand, five hundred thirty-eight".