120513306 has 32 divisors (see below), whose sum is σ = 263443968. Its totient is φ = 36587520.

The previous prime is 120513287. The next prime is 120513317. The reversal of 120513306 is 603315021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15895 + ... + 22218.

It is an arithmetic number, because the mean of its divisors is an integer number (8232624).

Almost surely, 2^120513306 is an apocalyptic number.

120513306 is an abundant number, since it is smaller than the sum of its proper divisors (142930662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120513306 is a wasteful number, since it uses less digits than its factorization.

120513306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38166.

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

The square root of 120513306 is about 10977.8552550122. The cubic root of 120513306 is about 493.9447041540.

Adding to 120513306 its reverse (603315021), we get a palindrome (723828327).

The spelling of 120513306 in words is "one hundred twenty million, five hundred thirteen thousand, three hundred six".