1720142424061 has 4 divisors (see below), whose sum is σ = 1720167487324. Its totient is φ = 1720117360800.

The previous prime is 1720142424059. The next prime is 1720142424073. The reversal of 1720142424061 is 1604242410271.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40720818436 + 1679421605625 = 201794^2 + 1295925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1720142424061 - 2¹ = 1720142424059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720142424661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12428400 + ... + 12566041.

It is an arithmetic number, because the mean of its divisors is an integer number (430041871831).

Almost surely, 2^{1720142424061} is an apocalyptic number.

It is an amenable number.

1720142424061 is a deficient number, since it is larger than the sum of its proper divisors (25063263).

1720142424061 is an equidigital number, since it uses as much as digits as its factorization.

1720142424061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25063262.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 1720142424061 in words is "one trillion, seven hundred twenty billion, one hundred forty-two million, four hundred twenty-four thousand, sixty-one".