1224210541 has 2 divisors, whose sum is σ = 1224210542. Its totient is φ = 1224210540.

The previous prime is 1224210523. The next prime is 1224210557. The reversal of 1224210541 is 1450124221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1118634916 + 105575625 = 33446^2 + 10275^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224210541 - 2⁵ = 1224210509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224219541) 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, 612105270 + 612105271.

It is an arithmetic number, because the mean of its divisors is an integer number (612105271).

Almost surely, 2^1224210541 is an apocalyptic number.

It is an amenable number.

1224210541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224210541 is an equidigital number, since it uses as much as digits as its factorization.

1224210541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1224210541 is about 34988.7201966577. The cubic root of 1224210541 is about 1069.7575777702.

Adding to 1224210541 its reverse (1450124221), we get a palindrome (2674334762).

The spelling of 1224210541 in words is "one billion, two hundred twenty-four million, two hundred ten thousand, five hundred forty-one".