1224132101 has 2 divisors, whose sum is σ = 1224132102. Its totient is φ = 1224132100.

The previous prime is 1224132089. The next prime is 1224132103. The reversal of 1224132101 is 1012314221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1221153025 + 2979076 = 34945^2 + 1726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224132101 - 2¹⁸ = 1223869957 is a prime.

Together with 1224132103, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1224132101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224132103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612066050 + 612066051.

It is an arithmetic number, because the mean of its divisors is an integer number (612066051).

Almost surely, 2^1224132101 is an apocalyptic number.

It is an amenable number.

1224132101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224132101 is an equidigital number, since it uses as much as digits as its factorization.

1224132101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1224132101 is about 34987.5992460186. The cubic root of 1224132101 is about 1069.7347294191.

Adding to 1224132101 its reverse (1012314221), we get a palindrome (2236446322).

The spelling of 1224132101 in words is "one billion, two hundred twenty-four million, one hundred thirty-two thousand, one hundred one".