1123614421 has 2 divisors, whose sum is σ = 1123614422. Its totient is φ = 1123614420.

The previous prime is 1123614403. The next prime is 1123614433. The reversal of 1123614421 is 1244163211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828633796 + 294980625 = 28786^2 + 17175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123614421 - 2⁷ = 1123614293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123614461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561807210 + 561807211.

It is an arithmetic number, because the mean of its divisors is an integer number (561807211).

Almost surely, 2^1123614421 is an apocalyptic number.

It is an amenable number.

1123614421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123614421 is an equidigital number, since it uses as much as digits as its factorization.

1123614421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 1123614421 is about 33520.3583065575. The cubic root of 1123614421 is about 1039.6147553030.

Adding to 1123614421 its reverse (1244163211), we get a palindrome (2367777632).

The spelling of 1123614421 in words is "one billion, one hundred twenty-three million, six hundred fourteen thousand, four hundred twenty-one".