120036513 has 4 divisors (see below), whose sum is σ = 160048688. Its totient is φ = 80024340.

The previous prime is 120036491. The next prime is 120036529. The reversal of 120036513 is 315630021.

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 not a de Polignac number, because 120036513 - 2¹⁴ = 120020129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120036513.

It is not an unprimeable number, because it can be changed into a prime (120036013) 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, 20006083 + ... + 20006088.

It is an arithmetic number, because the mean of its divisors is an integer number (40012172).

Almost surely, 2^120036513 is an apocalyptic number.

It is an amenable number.

120036513 is a deficient number, since it is larger than the sum of its proper divisors (40012175).

120036513 is an equidigital number, since it uses as much as digits as its factorization.

120036513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40012174.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 120036513 is about 10956.1176061596. The cubic root of 120036513 is about 493.2924369049.

Adding to 120036513 its reverse (315630021), we get a palindrome (435666534).

The spelling of 120036513 in words is "one hundred twenty million, thirty-six thousand, five hundred thirteen".