1184113221 has 16 divisors (see below), whose sum is σ = 1608703488. Its totient is φ = 774572400.

The previous prime is 1184113213. The next prime is 1184113237. The reversal of 1184113221 is 1223114811.

It is not a de Polignac number, because 1184113221 - 2³ = 1184113213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1184113191 and 1184113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1184113621) 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 15 ways as a sum of consecutive naturals, for example, 31770 + ... + 58116.

It is an arithmetic number, because the mean of its divisors is an integer number (100543968).

Almost surely, 2^1184113221 is an apocalyptic number.

It is an amenable number.

1184113221 is a deficient number, since it is larger than the sum of its proper divisors (424590267).

1184113221 is a wasteful number, since it uses less digits than its factorization.

1184113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26632.

The product of its digits is 384, while the sum is 24.

The square root of 1184113221 is about 34410.9462380795. The cubic root of 1184113221 is about 1057.9482147864.

The spelling of 1184113221 in words is "one billion, one hundred eighty-four million, one hundred thirteen thousand, two hundred twenty-one".