120544013 has 4 divisors (see below), whose sum is σ = 122241888. Its totient is φ = 118846140.

The previous prime is 120544001. The next prime is 120544033. The reversal of 120544013 is 310445021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120544013 - 2⁶ = 120543949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120544033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848831 + ... + 848972.

It is an arithmetic number, because the mean of its divisors is an integer number (30560472).

Almost surely, 2^120544013 is an apocalyptic number.

It is an amenable number.

120544013 is a deficient number, since it is larger than the sum of its proper divisors (1697875).

120544013 is an equidigital number, since it uses as much as digits as its factorization.

120544013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697874.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 120544013 is about 10979.2537542403. The cubic root of 120544013 is about 493.9866532479.

Adding to 120544013 its reverse (310445021), we get a palindrome (430989034).

The spelling of 120544013 in words is "one hundred twenty million, five hundred forty-four thousand, thirteen".