1212017 has 2 divisors, whose sum is σ = 1212018. Its totient is φ = 1212016.

The previous prime is 1212011. The next prime is 1212023. The reversal of 1212017 is 7102121.

It is a balanced prime because it is at equal distance from previous prime (1212011) and next prime (1212023).

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 132496 = 1039^2 + 364^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212017 - 2⁸ = 1211761 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211992 and 1212010.

It is not a weakly prime, because it can be changed into another prime (1212011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606008 + 606009.

It is an arithmetic number, because the mean of its divisors is an integer number (606009).

2^1212017 is an apocalyptic number.

It is an amenable number.

1212017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212017 is an equidigital number, since it uses as much as digits as its factorization.

1212017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1212017 is about 1100.9164364292. The cubic root of 1212017 is about 106.6194007167.

Adding to 1212017 its reverse (7102121), we get a palindrome (8314138).

The spelling of 1212017 in words is "one million, two hundred twelve thousand, seventeen".