1201160144 has 20 divisors (see below), whose sum is σ = 2327948100. Its totient is φ = 600399360.

The previous prime is 1201160141. The next prime is 1201160167. The reversal of 1201160144 is 4410611021.

It can be written as a sum of positive squares in 2 ways, for example, as 423865744 + 777294400 = 20588^2 + 27880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201160141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55514 + ... + 74054.

It is an arithmetic number, because the mean of its divisors is an integer number (116397405).

Almost surely, 2^1201160144 is an apocalyptic number.

It is an amenable number.

1201160144 is a deficient number, since it is larger than the sum of its proper divisors (1126787956).

1201160144 is a wasteful number, since it uses less digits than its factorization.

1201160144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22598 (or 22592 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1201160144 is about 34657.7573423325. The cubic root of 1201160144 is about 1063.0009135936. Note that the first 3 decimals are identical.

Adding to 1201160144 its reverse (4410611021), we get a palindrome (5611771165).

The spelling of 1201160144 in words is "one billion, two hundred one million, one hundred sixty thousand, one hundred forty-four".