1224164141 has 2 divisors, whose sum is σ = 1224164142. Its totient is φ = 1224164140.

The previous prime is 1224164093. The next prime is 1224164147. The reversal of 1224164141 is 1414614221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1221222916 + 2941225 = 34946^2 + 1715^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224164141 - 2²² = 1219969837 is a prime.

It is a super-2 number, since 2×1224164141² = 2997155688220535762, 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 1224164141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224164147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612082070 + 612082071.

It is an arithmetic number, because the mean of its divisors is an integer number (612082071).

Almost surely, 2^1224164141 is an apocalyptic number.

It is an amenable number.

1224164141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224164141 is an equidigital number, since it uses as much as digits as its factorization.

1224164141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

The square root of 1224164141 is about 34988.0571195372. The cubic root of 1224164141 is about 1069.7440622903.

Adding to 1224164141 its reverse (1414614221), we get a palindrome (2638778362).

The spelling of 1224164141 in words is "one billion, two hundred twenty-four million, one hundred sixty-four thousand, one hundred forty-one".