120011305 has 16 divisors (see below), whose sum is σ = 148554000. Its totient is φ = 93015040.

The previous prime is 120011303. The next prime is 120011321. The reversal of 120011305 is 503110021.

It can be written as a sum of positive squares in 8 ways, for example, as 58247424 + 61763881 = 7632^2 + 7859^2 .

It is not a de Polignac number, because 120011305 - 2¹ = 120011303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120011303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28581 + ... + 32509.

It is an arithmetic number, because the mean of its divisors is an integer number (9284625).

Almost surely, 2^120011305 is an apocalyptic number.

It is an amenable number.

120011305 is a deficient number, since it is larger than the sum of its proper divisors (28542695).

120011305 is a wasteful number, since it uses less digits than its factorization.

120011305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 120011305 is about 10954.9671382437. The cubic root of 120011305 is about 493.2579035617.

Adding to 120011305 its reverse (503110021), we get a palindrome (623121326).

The spelling of 120011305 in words is "one hundred twenty million, eleven thousand, three hundred five".