1224114161 has 4 divisors (see below), whose sum is σ = 1224445812. Its totient is φ = 1223782512.

The previous prime is 1224114127. The next prime is 1224114169. The reversal of 1224114161 is 1614114221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1614114221 = 4027 ⋅400823.

It can be written as a sum of positive squares in 2 ways, for example, as 331240000 + 892874161 = 18200^2 + 29881^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224114161 - 2⁶ = 1224114097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224114169) 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, 160226 + ... + 167691.

It is an arithmetic number, because the mean of its divisors is an integer number (306111453).

Almost surely, 2^1224114161 is an apocalyptic number.

It is an amenable number.

1224114161 is a deficient number, since it is larger than the sum of its proper divisors (331651).

1224114161 is an equidigital number, since it uses as much as digits as its factorization.

1224114161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331650.

The product of its digits is 384, while the sum is 23.

The square root of 1224114161 is about 34987.3428685289. The cubic root of 1224114161 is about 1069.7295036392.

Adding to 1224114161 its reverse (1614114221), we get a palindrome (2838228382).

The spelling of 1224114161 in words is "one billion, two hundred twenty-four million, one hundred fourteen thousand, one hundred sixty-one".