1214394247 has 8 divisors (see below), whose sum is σ = 1349790480. Its totient is φ = 1083164160.

The previous prime is 1214394221. The next prime is 1214394263. The reversal of 1214394247 is 7424934121.

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 1214394247 - 2²⁷ = 1080176519 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 (1214394277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040922 + ... + 1042087.

It is an arithmetic number, because the mean of its divisors is an integer number (168723810).

Almost surely, 2^1214394247 is an apocalyptic number.

1214394247 is a deficient number, since it is larger than the sum of its proper divisors (135396233).

1214394247 is a wasteful number, since it uses less digits than its factorization.

1214394247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083073.

The product of its digits is 48384, while the sum is 37.

The square root of 1214394247 is about 34848.1598796837. The cubic root of 1214394247 is about 1066.8906286346.

The spelling of 1214394247 in words is "one billion, two hundred fourteen million, three hundred ninety-four thousand, two hundred forty-seven".