1121066413 has 2 divisors, whose sum is σ = 1121066414. Its totient is φ = 1121066412.

The previous prime is 1121066407. The next prime is 1121066447. The reversal of 1121066413 is 3146601211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563492644 + 557573769 = 23738^2 + 23613^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121066413 - 2¹³ = 1121058221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121066473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560533206 + 560533207.

It is an arithmetic number, because the mean of its divisors is an integer number (560533207).

Almost surely, 2^1121066413 is an apocalyptic number.

It is an amenable number.

1121066413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121066413 is an equidigital number, since it uses as much as digits as its factorization.

1121066413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1121066413 is about 33482.3298621825. The cubic root of 1121066413 is about 1038.8283195769.

Adding to 1121066413 its reverse (3146601211), we get a palindrome (4267667624).

The spelling of 1121066413 in words is "one billion, one hundred twenty-one million, sixty-six thousand, four hundred thirteen".