1302148217 has 2 divisors, whose sum is σ = 1302148218. Its totient is φ = 1302148216.

The previous prime is 1302148213. The next prime is 1302148229. The reversal of 1302148217 is 7128412031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 761539216 + 540609001 = 27596^2 + 23251^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302148217 - 2² = 1302148213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1302148217.

It is not a weakly prime, because it can be changed into another prime (1302148213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651074108 + 651074109.

It is an arithmetic number, because the mean of its divisors is an integer number (651074109).

Almost surely, 2^1302148217 is an apocalyptic number.

It is an amenable number.

1302148217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302148217 is an equidigital number, since it uses as much as digits as its factorization.

1302148217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1302148217 is about 36085.2908676098. The cubic root of 1302148217 is about 1091.9937185723.

The spelling of 1302148217 in words is "one billion, three hundred two million, one hundred forty-eight thousand, two hundred seventeen".