1420004347 has 2 divisors, whose sum is σ = 1420004348. Its totient is φ = 1420004346.

The previous prime is 1420004297. The next prime is 1420004359. The reversal of 1420004347 is 7434000241.

It is a strong prime.

It is an emirp because it is prime and its reverse (7434000241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420004347 - 2⁷ = 1420004219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420004647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710002173 + 710002174.

It is an arithmetic number, because the mean of its divisors is an integer number (710002174).

Almost surely, 2^1420004347 is an apocalyptic number.

1420004347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420004347 is an equidigital number, since it uses as much as digits as its factorization.

1420004347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1420004347 is about 37682.9450414906. The cubic root of 1420004347 is about 1123.9920115587.

Adding to 1420004347 its reverse (7434000241), we get a palindrome (8854004588).

The spelling of 1420004347 in words is "one billion, four hundred twenty million, four thousand, three hundred forty-seven".