1122544013 has 2 divisors, whose sum is σ = 1122544014. Its totient is φ = 1122544012.

The previous prime is 1122543973. The next prime is 1122544039. The reversal of 1122544013 is 3104452211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060023364 + 62520649 = 32558^2 + 7907^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122544013 - 2⁸ = 1122543757 is a prime.

It is a super-2 number, since 2×1122544013² = 2520210122244288338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1122544013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122544513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561272006 + 561272007.

It is an arithmetic number, because the mean of its divisors is an integer number (561272007).

Almost surely, 2^1122544013 is an apocalyptic number.

It is an amenable number.

1122544013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122544013 is an equidigital number, since it uses as much as digits as its factorization.

1122544013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1122544013 is about 33504.3879663545. The cubic root of 1122544013 is about 1039.2845217609.

Adding to 1122544013 its reverse (3104452211), we get a palindrome (4226996224).

The spelling of 1122544013 in words is "one billion, one hundred twenty-two million, five hundred forty-four thousand, thirteen".