120018245 has 4 divisors (see below), whose sum is σ = 144021900. Its totient is φ = 96014592.

The previous prime is 120018233. The next prime is 120018251. The reversal of 120018245 is 542810021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16507969 + 103510276 = 4063^2 + 10174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120018245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120018245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12001820 + ... + 12001829.

It is an arithmetic number, because the mean of its divisors is an integer number (36005475).

Almost surely, 2^120018245 is an apocalyptic number.

It is an amenable number.

120018245 is a deficient number, since it is larger than the sum of its proper divisors (24003655).

120018245 is an equidigital number, since it uses as much as digits as its factorization.

120018245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24003654.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 120018245 is about 10955.2838849571. The cubic root of 120018245 is about 493.2674113989.

Adding to 120018245 its reverse (542810021), we get a palindrome (662828266).

The spelling of 120018245 in words is "one hundred twenty million, eighteen thousand, two hundred forty-five".