1121063513 has 2 divisors, whose sum is σ = 1121063514. Its totient is φ = 1121063512.

The previous prime is 1121063477. The next prime is 1121063549. The reversal of 1121063513 is 3153601211.

It is a balanced prime because it is at equal distance from previous prime (1121063477) and next prime (1121063549).

It can be written as a sum of positive squares in only one way, i.e., 930982144 + 190081369 = 30512^2 + 13787^2 .

It is an emirp because it is prime and its reverse (3153601211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121063513 - 2¹⁴ = 1121047129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121063563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560531756 + 560531757.

It is an arithmetic number, because the mean of its divisors is an integer number (560531757).

Almost surely, 2^1121063513 is an apocalyptic number.

It is an amenable number.

1121063513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121063513 is an equidigital number, since it uses as much as digits as its factorization.

1121063513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1121063513 is about 33482.2865557297. The cubic root of 1121063513 is about 1038.8274238213.

Adding to 1121063513 its reverse (3153601211), we get a palindrome (4274664724).

The spelling of 1121063513 in words is "one billion, one hundred twenty-one million, sixty-three thousand, five hundred thirteen".