120013245 has 120 divisors (see below), whose sum is σ = 247188480. Its totient is φ = 55598400.

The previous prime is 120013219. The next prime is 120013247. The reversal of 120013245 is 542310021.

It is not a de Polignac number, because 120013245 - 2⁶ = 120013181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120013247) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1519116 + ... + 1519194.

It is an arithmetic number, because the mean of its divisors is an integer number (2059904).

Almost surely, 2^120013245 is an apocalyptic number.

120013245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120013245 is an abundant number, since it is smaller than the sum of its proper divisors (127175235).

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

120013245 is a wasteful number, since it uses less digits than its factorization.

120013245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120013245 is about 10955.0556821953. The cubic root of 120013245 is about 493.2605614090.

Adding to 120013245 its reverse (542310021), we get a palindrome (662323266).

The spelling of 120013245 in words is "one hundred twenty million, thirteen thousand, two hundred forty-five".