1124320321 has 2 divisors, whose sum is σ = 1124320322. Its totient is φ = 1124320320.

The previous prime is 1124320289. The next prime is 1124320333. The reversal of 1124320321 is 1230234211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 902161296 + 222159025 = 30036^2 + 14905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124320321 - 2⁵ = 1124320289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1128320321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562160160 + 562160161.

It is an arithmetic number, because the mean of its divisors is an integer number (562160161).

Almost surely, 2^1124320321 is an apocalyptic number.

It is an amenable number.

1124320321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124320321 is an equidigital number, since it uses as much as digits as its factorization.

1124320321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1124320321 is about 33530.8860753783. The cubic root of 1124320321 is about 1039.8324190658.

Adding to 1124320321 its reverse (1230234211), we get a palindrome (2354554532).

The spelling of 1124320321 in words is "one billion, one hundred twenty-four million, three hundred twenty thousand, three hundred twenty-one".