120513311 has 8 divisors (see below), whose sum is σ = 123625920. Its totient is φ = 117423648.

The previous prime is 120513287. The next prime is 120513317. The reversal of 120513311 is 113315021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120513311 - 2¹⁴ = 120496927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120513311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120513317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5165 + ... + 16361.

It is an arithmetic number, because the mean of its divisors is an integer number (15453240).

Almost surely, 2^120513311 is an apocalyptic number.

120513311 is a deficient number, since it is larger than the sum of its proper divisors (3112609).

120513311 is a wasteful number, since it uses less digits than its factorization.

120513311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11473.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 120513311 is about 10977.8554827434. The cubic root of 120513311 is about 493.9447109851.

Adding to 120513311 its reverse (113315021), we get a palindrome (233828332).

The spelling of 120513311 in words is "one hundred twenty million, five hundred thirteen thousand, three hundred eleven".