1420260543245 has 4 divisors (see below), whose sum is σ = 1704312651900. Its totient is φ = 1136208434592.

The previous prime is 1420260543227. The next prime is 1420260543259. The reversal of 1420260543245 is 5423450620241.

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 984895471561 + 435365071684 = 992419^2 + 659822^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420260543245 - 2¹⁶ = 1420260477709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420260543199 and 1420260543208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142026054320 + ... + 142026054329.

It is an arithmetic number, because the mean of its divisors is an integer number (426078162975).

Almost surely, 2^{1420260543245} is an apocalyptic number.

It is an amenable number.

1420260543245 is a deficient number, since it is larger than the sum of its proper divisors (284052108655).

1420260543245 is an equidigital number, since it uses as much as digits as its factorization.

1420260543245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284052108654.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 1420260543245 in words is "one trillion, four hundred twenty billion, two hundred sixty million, five hundred forty-three thousand, two hundred forty-five".