1214669747 has 2 divisors, whose sum is σ = 1214669748. Its totient is φ = 1214669746.

The previous prime is 1214669717. The next prime is 1214669761. The reversal of 1214669747 is 7479664121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214669747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1214669717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607334873 + 607334874.

It is an arithmetic number, because the mean of its divisors is an integer number (607334874).

Almost surely, 2^1214669747 is an apocalyptic number.

1214669747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214669747 is an equidigital number, since it uses as much as digits as its factorization.

1214669747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 1214669747 is about 34852.1125184687. The cubic root of 1214669747 is about 1066.9713015420.

The spelling of 1214669747 in words is "one billion, two hundred fourteen million, six hundred sixty-nine thousand, seven hundred forty-seven".