1207947017 has 2 divisors, whose sum is σ = 1207947018. Its totient is φ = 1207947016.

The previous prime is 1207947001. The next prime is 1207947073. The reversal of 1207947017 is 7107497021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172651536 + 35295481 = 34244^2 + 5941^2 .

It is a cyclic number.

It is not a de Polignac number, because 1207947017 - 2⁴ = 1207947001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1207943017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603973508 + 603973509.

It is an arithmetic number, because the mean of its divisors is an integer number (603973509).

Almost surely, 2^1207947017 is an apocalyptic number.

It is an amenable number.

1207947017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207947017 is an equidigital number, since it uses as much as digits as its factorization.

1207947017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 1207947017 is about 34755.5321783454. The cubic root of 1207947017 is about 1064.9992335436. Note that the first 3 decimals are identical.

The spelling of 1207947017 in words is "one billion, two hundred seven million, nine hundred forty-seven thousand, seventeen".