1420425271 has 8 divisors (see below), whose sum is σ = 1432252800. Its totient is φ = 1408612920.

The previous prime is 1420425269. The next prime is 1420425319. The reversal of 1420425271 is 1725240241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420425271 - 2¹ = 1420425269 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 (1420425971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256510 + ... + 261988.

It is an arithmetic number, because the mean of its divisors is an integer number (179031600).

Almost surely, 2^1420425271 is an apocalyptic number.

1420425271 is a deficient number, since it is larger than the sum of its proper divisors (11827529).

1420425271 is a wasteful number, since it uses less digits than its factorization.

1420425271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7589.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 1420425271 is about 37688.5297006928. The cubic root of 1420425271 is about 1124.1030601562.

The spelling of 1420425271 in words is "one billion, four hundred twenty million, four hundred twenty-five thousand, two hundred seventy-one".