1215260467 has 2 divisors, whose sum is σ = 1215260468. Its totient is φ = 1215260466.

The previous prime is 1215260461. The next prime is 1215260509. The reversal of 1215260467 is 7640625121.

It is a weak prime.

It is an emirp because it is prime and its reverse (7640625121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1215260467 - 2¹⁹ = 1214736179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1215260461) 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, 607630233 + 607630234.

It is an arithmetic number, because the mean of its divisors is an integer number (607630234).

Almost surely, 2^1215260467 is an apocalyptic number.

1215260467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215260467 is an equidigital number, since it uses as much as digits as its factorization.

1215260467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1215260467 is about 34860.5861539935. The cubic root of 1215260467 is about 1067.1442372016.

Adding to 1215260467 its reverse (7640625121), we get a palindrome (8855885588).

The spelling of 1215260467 in words is "one billion, two hundred fifteen million, two hundred sixty thousand, four hundred sixty-seven".