1214730317 has 4 divisors (see below), whose sum is σ = 1218335196. Its totient is φ = 1211125440.

The previous prime is 1214730311. The next prime is 1214730323. The reversal of 1214730317 is 7130374121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7130374121 = 13 ⋅548490317.

It is an interprime number because it is at equal distance from previous prime (1214730311) and next prime (1214730323).

It can be written as a sum of positive squares in 2 ways, for example, as 134884996 + 1079845321 = 11614^2 + 32861^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214730317 - 2²⁰ = 1213681741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214730317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214730311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801934 + ... + 1802607.

It is an arithmetic number, because the mean of its divisors is an integer number (304583799).

Almost surely, 2^1214730317 is an apocalyptic number.

It is an amenable number.

1214730317 is a deficient number, since it is larger than the sum of its proper divisors (3604879).

1214730317 is an equidigital number, since it uses as much as digits as its factorization.

1214730317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604878.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1214730317 is about 34852.9814650053. The cubic root of 1214730317 is about 1066.9890362329.

The spelling of 1214730317 in words is "one billion, two hundred fourteen million, seven hundred thirty thousand, three hundred seventeen".