1185227144 has 16 divisors (see below), whose sum is σ = 2339264400. Its totient is φ = 561423312.

The previous prime is 1185227143. The next prime is 1185227149. The reversal of 1185227144 is 4417225811.

It is not an unprimeable number, because it can be changed into a prime (1185227143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3898622 + ... + 3898925.

It is an arithmetic number, because the mean of its divisors is an integer number (146204025).

Almost surely, 2^1185227144 is an apocalyptic number.

It is an amenable number.

1185227144 is a deficient number, since it is larger than the sum of its proper divisors (1154037256).

1185227144 is a wasteful number, since it uses less digits than its factorization.

1185227144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797572 (or 7797568 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 1185227144 is about 34427.1280242776. The cubic root of 1185227144 is about 1058.2798563564.

The spelling of 1185227144 in words is "one billion, one hundred eighty-five million, two hundred twenty-seven thousand, one hundred forty-four".