1320030427 has 2 divisors, whose sum is σ = 1320030428. Its totient is φ = 1320030426.

The previous prime is 1320030403. The next prime is 1320030461. The reversal of 1320030427 is 7240300231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320030427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320030398 and 1320030407.

It is not a weakly prime, because it can be changed into another prime (1320030227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660015213 + 660015214.

It is an arithmetic number, because the mean of its divisors is an integer number (660015214).

Almost surely, 2^1320030427 is an apocalyptic number.

1320030427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320030427 is an equidigital number, since it uses as much as digits as its factorization.

1320030427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 1320030427 is about 36332.2229845629. Note that the first 3 decimals coincide. The cubic root of 1320030427 is about 1096.9697390182.

Adding to 1320030427 its reverse (7240300231), we get a palindrome (8560330658).

The spelling of 1320030427 in words is "one billion, three hundred twenty million, thirty thousand, four hundred twenty-seven".