120205144 has 8 divisors (see below), whose sum is σ = 225384660. Its totient is φ = 60102568.

The previous prime is 120205139. The next prime is 120205159. The reversal of 120205144 is 441502021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512814 + ... + 7512829.

Almost surely, 2^120205144 is an apocalyptic number.

It is an amenable number.

120205144 is a deficient number, since it is larger than the sum of its proper divisors (105179516).

120205144 is a wasteful number, since it uses less digits than its factorization.

120205144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025649 (or 15025645 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 120205144 is about 10963.8106514113. The cubic root of 120205144 is about 493.5233263009.

Adding to 120205144 its reverse (441502021), we get a palindrome (561707165).

The spelling of 120205144 in words is "one hundred twenty million, two hundred five thousand, one hundred forty-four".