1182013321 has 2 divisors, whose sum is σ = 1182013322. Its totient is φ = 1182013320.

The previous prime is 1182013297. The next prime is 1182013363. The reversal of 1182013321 is 1233102811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 626751225 + 555262096 = 25035^2 + 23564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1182013321 - 2⁷ = 1182013193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1182013292 and 1182013301.

It is not a weakly prime, because it can be changed into another prime (1182013421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591006660 + 591006661.

It is an arithmetic number, because the mean of its divisors is an integer number (591006661).

Almost surely, 2^1182013321 is an apocalyptic number.

It is an amenable number.

1182013321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1182013321 is an equidigital number, since it uses as much as digits as its factorization.

1182013321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1182013321 is about 34380.4206053387. The cubic root of 1182013321 is about 1057.3224581832.

The spelling of 1182013321 in words is "one billion, one hundred eighty-two million, thirteen thousand, three hundred twenty-one".