1224335141 has 4 divisors (see below), whose sum is σ = 1232133612. Its totient is φ = 1216536672.

The previous prime is 1224335117. The next prime is 1224335171. The reversal of 1224335141 is 1415334221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105165025 + 1119170116 = 10255^2 + 33454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224335141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224335141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224335171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3899000 + ... + 3899313.

It is an arithmetic number, because the mean of its divisors is an integer number (308033403).

Almost surely, 2^1224335141 is an apocalyptic number.

It is an amenable number.

1224335141 is a deficient number, since it is larger than the sum of its proper divisors (7798471).

1224335141 is an equidigital number, since it uses as much as digits as its factorization.

1224335141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798470.

The product of its digits is 2880, while the sum is 26.

The square root of 1224335141 is about 34990.5007251968. The cubic root of 1224335141 is about 1069.7938698043.

Adding to 1224335141 its reverse (1415334221), we get a palindrome (2639669362).

The spelling of 1224335141 in words is "one billion, two hundred twenty-four million, three hundred thirty-five thousand, one hundred forty-one".