1124321513 has 12 divisors (see below), whose sum is σ = 1308816900. Its totient is φ = 963016992.

The previous prime is 1124321509. The next prime is 1124321521. The reversal of 1124321513 is 3151234211.

It can be written as a sum of positive squares in 2 ways, for example, as 357474649 + 766846864 = 18907^2 + 27692^2 .

It is not a de Polignac number, because 1124321513 - 2² = 1124321509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1124321533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68495 + ... + 83307.

It is an arithmetic number, because the mean of its divisors is an integer number (109068075).

Almost surely, 2^1124321513 is an apocalyptic number.

It is an amenable number.

1124321513 is a deficient number, since it is larger than the sum of its proper divisors (184495387).

1124321513 is a wasteful number, since it uses less digits than its factorization.

1124321513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16376 (or 16369 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1124321513 is about 33530.9038500306. The cubic root of 1124321513 is about 1039.8327865411.

Adding to 1124321513 its reverse (3151234211), we get a palindrome (4275555724).

The spelling of 1124321513 in words is "one billion, one hundred twenty-four million, three hundred twenty-one thousand, five hundred thirteen".