1215162467 has 2 divisors, whose sum is σ = 1215162468. Its totient is φ = 1215162466.

The previous prime is 1215162439. The next prime is 1215162491. The reversal of 1215162467 is 7642615121.

It is a strong prime.

It is an emirp because it is prime and its reverse (7642615121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1215162467 - 2¹⁶ = 1215096931 is a prime.

It is a super-4 number, since 4×1215162467⁴ (a number of 37 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (1215162667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607581233 + 607581234.

It is an arithmetic number, because the mean of its divisors is an integer number (607581234).

Almost surely, 2^1215162467 is an apocalyptic number.

1215162467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215162467 is an equidigital number, since it uses as much as digits as its factorization.

1215162467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 1215162467 is about 34859.1805267995. The cubic root of 1215162467 is about 1067.1155511848.

Adding to 1215162467 its reverse (7642615121), we get a palindrome (8857777588).

The spelling of 1215162467 in words is "one billion, two hundred fifteen million, one hundred sixty-two thousand, four hundred sixty-seven".