1184880321 has 6 divisors (see below), whose sum is σ = 1711493810. Its totient is φ = 789920208.

The previous prime is 1184880283. The next prime is 1184880329. The reversal of 1184880321 is 1230884811.

It can be written as a sum of positive squares in only one way, i.e., 933974721 + 250905600 = 30561^2 + 15840^2 .

It is not a de Polignac number, because 1184880321 - 2¹¹ = 1184878273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1184880329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65826676 + ... + 65826693.

Almost surely, 2^1184880321 is an apocalyptic number.

It is an amenable number.

1184880321 is a deficient number, since it is larger than the sum of its proper divisors (526613489).

1184880321 is a wasteful number, since it uses less digits than its factorization.

1184880321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131653375 (or 131653372 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 1184880321 is about 34422.0905960112. The cubic root of 1184880321 is about 1058.1766211234.

The spelling of 1184880321 in words is "one billion, one hundred eighty-four million, eight hundred eighty thousand, three hundred twenty-one".