1124353621 has 2 divisors, whose sum is σ = 1124353622. Its totient is φ = 1124353620.

The previous prime is 1124353613. The next prime is 1124353631. The reversal of 1124353621 is 1263534211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 596043396 + 528310225 = 24414^2 + 22985^2 .

It is an emirp because it is prime and its reverse (1263534211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1124353621 - 2³ = 1124353613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1124353621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124353631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562176810 + 562176811.

It is an arithmetic number, because the mean of its divisors is an integer number (562176811).

Almost surely, 2^1124353621 is an apocalyptic number.

It is an amenable number.

1124353621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124353621 is an equidigital number, since it uses as much as digits as its factorization.

1124353621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 1124353621 is about 33531.3826288151. The cubic root of 1124353621 is about 1039.8426848465.

Adding to 1124353621 its reverse (1263534211), we get a palindrome (2387887832).

The spelling of 1124353621 in words is "one billion, one hundred twenty-four million, three hundred fifty-three thousand, six hundred twenty-one".