1214315247 has 8 divisors (see below), whose sum is σ = 1662846256. Its totient is φ = 787663872.

The previous prime is 1214315239. The next prime is 1214315261. The reversal of 1214315247 is 7425134121.

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

It is not a de Polignac number, because 1214315247 - 2³ = 1214315239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214311247) 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 in 7 ways as a sum of consecutive naturals, for example, 5469778 + ... + 5469999.

It is an arithmetic number, because the mean of its divisors is an integer number (207855782).

Almost surely, 2^1214315247 is an apocalyptic number.

1214315247 is a deficient number, since it is larger than the sum of its proper divisors (448531009).

1214315247 is a wasteful number, since it uses less digits than its factorization.

1214315247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10939817.

The product of its digits is 6720, while the sum is 30.

The square root of 1214315247 is about 34847.0263724181. The cubic root of 1214315247 is about 1066.8674933176.

Adding to 1214315247 its reverse (7425134121), we get a palindrome (8639449368).

The spelling of 1214315247 in words is "one billion, two hundred fourteen million, three hundred fifteen thousand, two hundred forty-seven".