1420753785271 has 4 divisors (see below), whose sum is σ = 1420758732544. Its totient is φ = 1420748838000.

The previous prime is 1420753785257. The next prime is 1420753785289. The reversal of 1420753785271 is 1725873570241.

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

It is a cyclic number.

It is not a de Polignac number, because 1420753785271 - 2²³ = 1420745396663 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 (1420753785371) 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, 2014455 + ... + 2626696.

It is an arithmetic number, because the mean of its divisors is an integer number (355189683136).

Almost surely, 2^{1420753785271} is an apocalyptic number.

1420753785271 is a deficient number, since it is larger than the sum of its proper divisors (4947273).

1420753785271 is an equidigital number, since it uses as much as digits as its factorization.

1420753785271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4947272.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 1420753785271 in words is "one trillion, four hundred twenty billion, seven hundred fifty-three million, seven hundred eighty-five thousand, two hundred seventy-one".