1720142424103 has 2 divisors, whose sum is σ = 1720142424104. Its totient is φ = 1720142424102.

The previous prime is 1720142424073. The next prime is 1720142424137. The reversal of 1720142424103 is 3014242410271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1720142424103 - 2¹⁷ = 1720142293031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1720142454103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860071212051 + 860071212052.

It is an arithmetic number, because the mean of its divisors is an integer number (860071212052).

Almost surely, 2^{1720142424103} is an apocalyptic number.

1720142424103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1720142424103 is an equidigital number, since it uses as much as digits as its factorization.

1720142424103 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.

Adding to 1720142424103 its reverse (3014242410271), we get a palindrome (4734384834374).

The spelling of 1720142424103 in words is "one trillion, seven hundred twenty billion, one hundred forty-two million, four hundred twenty-four thousand, one hundred three".