120039538 has 4 divisors (see below), whose sum is σ = 180059310. Its totient is φ = 60019768.

The previous prime is 120039529. The next prime is 120039539. The reversal of 120039538 is 835930021.

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., 119311929 + 727609 = 10923^2 + 853^2 .

It is not an unprimeable number, because it can be changed into a prime (120039539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30009883 + ... + 30009886.

Almost surely, 2^120039538 is an apocalyptic number.

120039538 is a deficient number, since it is larger than the sum of its proper divisors (60019772).

120039538 is an equidigital number, since it uses as much as digits as its factorization.

120039538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60019771.

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

The square root of 120039538 is about 10956.2556560168. The cubic root of 120039538 is about 493.2965806360.

Adding to 120039538 its reverse (835930021), we get a palindrome (955969559).

The spelling of 120039538 in words is "one hundred twenty million, thirty-nine thousand, five hundred thirty-eight".