1101200144 has 20 divisors (see below), whose sum is σ = 2327537040. Its totient is φ = 500545440.

The previous prime is 1101200123. The next prime is 1101200147. The reversal of 1101200144 is 4410021011.

It is not an unprimeable number, because it can be changed into a prime (1101200147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128234 + ... + 3128585.

It is an arithmetic number, because the mean of its divisors is an integer number (116376852).

Almost surely, 2^1101200144 is an apocalyptic number.

It is an amenable number.

1101200144 is an abundant number, since it is smaller than the sum of its proper divisors (1226336896).

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

1101200144 is a wasteful number, since it uses less digits than its factorization.

1101200144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256838 (or 6256832 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1101200144 is about 33184.3358227945. The cubic root of 1101200144 is about 1032.6553986388.

Adding to 1101200144 its reverse (4410021011), we get a palindrome (5511221155).

The spelling of 1101200144 in words is "one billion, one hundred one million, two hundred thousand, one hundred forty-four".