1420124647 has 2 divisors, whose sum is σ = 1420124648. Its totient is φ = 1420124646.

The previous prime is 1420124611. The next prime is 1420124659. The reversal of 1420124647 is 7464210241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420124647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420124947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710062323 + 710062324.

It is an arithmetic number, because the mean of its divisors is an integer number (710062324).

Almost surely, 2^1420124647 is an apocalyptic number.

1420124647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420124647 is an equidigital number, since it uses as much as digits as its factorization.

1420124647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1420124647 is about 37684.5412205058. The cubic root of 1420124647 is about 1124.0237514664.

Adding to 1420124647 its reverse (7464210241), we get a palindrome (8884334888).

The spelling of 1420124647 in words is "one billion, four hundred twenty million, one hundred twenty-four thousand, six hundred forty-seven".