120013522 has 4 divisors (see below), whose sum is σ = 180020286. Its totient is φ = 60006760.

The previous prime is 120013511. The next prime is 120013529. The reversal of 120013522 is 225310021.

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., 102799321 + 17214201 = 10139^2 + 4149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120013496 and 120013505.

It is not an unprimeable number, because it can be changed into a prime (120013529) 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, 30003379 + ... + 30003382.

Almost surely, 2^120013522 is an apocalyptic number.

120013522 is a deficient number, since it is larger than the sum of its proper divisors (60006764).

120013522 is an equidigital number, since it uses as much as digits as its factorization.

120013522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60006763.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120013522 is about 10955.0683247527. The cubic root of 120013522 is about 493.2609409034.

Adding to 120013522 its reverse (225310021), we get a palindrome (345323543).

The spelling of 120013522 in words is "one hundred twenty million, thirteen thousand, five hundred twenty-two".