1214421017 has 2 divisors, whose sum is σ = 1214421018. Its totient is φ = 1214421016.

The previous prime is 1214420981. The next prime is 1214421049. The reversal of 1214421017 is 7101244121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 678915136 + 535505881 = 26056^2 + 23141^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214421017 - 2¹⁰ = 1214419993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214420983 and 1214421001.

It is not a weakly prime, because it can be changed into another prime (1214421077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607210508 + 607210509.

It is an arithmetic number, because the mean of its divisors is an integer number (607210509).

Almost surely, 2^1214421017 is an apocalyptic number.

It is an amenable number.

1214421017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214421017 is an equidigital number, since it uses as much as digits as its factorization.

1214421017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1214421017 is about 34848.5439724531. The cubic root of 1214421017 is about 1066.8984680580.

Adding to 1214421017 its reverse (7101244121), we get a palindrome (8315665138).

The spelling of 1214421017 in words is "one billion, two hundred fourteen million, four hundred twenty-one thousand, seventeen".