1420421232407 has 2 divisors, whose sum is σ = 1420421232408. Its totient is φ = 1420421232406.

The previous prime is 1420421232379. The next prime is 1420421232463. The reversal of 1420421232407 is 7042321240241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420421232407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420421238407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710210616203 + 710210616204.

It is an arithmetic number, because the mean of its divisors is an integer number (710210616204).

Almost surely, 2^{1420421232407} is an apocalyptic number.

1420421232407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420421232407 is an equidigital number, since it uses as much as digits as its factorization.

1420421232407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 1420421232407 its reverse (7042321240241), we get a palindrome (8462742472648).

The spelling of 1420421232407 in words is "one trillion, four hundred twenty billion, four hundred twenty-one million, two hundred thirty-two thousand, four hundred seven".