1272467215 has 8 divisors (see below), whose sum is σ = 1527473520. Its totient is φ = 1017631872.

The previous prime is 1272467177. The next prime is 1272467233. The reversal of 1272467215 is 5127642721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1272467215 - 2¹⁵ = 1272434447 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 25749 + ... + 56638.

It is an arithmetic number, because the mean of its divisors is an integer number (190934190).

Almost surely, 2^1272467215 is an apocalyptic number.

1272467215 is a deficient number, since it is larger than the sum of its proper divisors (255006305).

1272467215 is an equidigital number, since it uses as much as digits as its factorization.

1272467215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85481.

The product of its digits is 47040, while the sum is 37.

The square root of 1272467215 is about 35671.6584279453. The cubic root of 1272467215 is about 1083.6329459793.

The spelling of 1272467215 in words is "one billion, two hundred seventy-two million, four hundred sixty-seven thousand, two hundred fifteen".