1214056647 has 8 divisors (see below), whose sum is σ = 1798602480. Its totient is φ = 809371080.

The previous prime is 1214056621. The next prime is 1214056651. The reversal of 1214056647 is 7466504121.

1214056647 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 0 + 5 + 6 + 647 = 666.

It is not a de Polignac number, because 1214056647 - 2⁶ = 1214056583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214056447) 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 7 ways as a sum of consecutive naturals, for example, 22482504 + ... + 22482557.

It is an arithmetic number, because the mean of its divisors is an integer number (224825310).

Almost surely, 2^1214056647 is an apocalyptic number.

1214056647 is a deficient number, since it is larger than the sum of its proper divisors (584545833).

1214056647 is an equidigital number, since it uses as much as digits as its factorization.

1214056647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44965070 (or 44965064 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1214056647 is about 34843.3156717325. The cubic root of 1214056647 is about 1066.7917547422.

The spelling of 1214056647 in words is "one billion, two hundred fourteen million, fifty-six thousand, six hundred forty-seven".