120043513 has 4 divisors (see below), whose sum is σ = 121209088. Its totient is φ = 118877940.

The previous prime is 120043507. The next prime is 120043537. The reversal of 120043513 is 315340021.

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 a de Polignac number, because none of the positive numbers 2^k-120043513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120040513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582633 + ... + 582838.

It is an arithmetic number, because the mean of its divisors is an integer number (30302272).

Almost surely, 2^120043513 is an apocalyptic number.

It is an amenable number.

120043513 is a deficient number, since it is larger than the sum of its proper divisors (1165575).

120043513 is a wasteful number, since it uses less digits than its factorization.

120043513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165574.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 120043513 is about 10956.4370577300. The cubic root of 120043513 is about 493.3020255982.

Adding to 120043513 its reverse (315340021), we get a palindrome (435383534).

The spelling of 120043513 in words is "one hundred twenty million, forty-three thousand, five hundred thirteen".