1420004305 has 16 divisors (see below), whose sum is σ = 1805169024. Its totient is φ = 1068629760.

The previous prime is 1420004297. The next prime is 1420004347. The reversal of 1420004305 is 5034000241.

It is not a de Polignac number, because 1420004305 - 2³ = 1420004297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249724 + ... + 255346.

It is an arithmetic number, because the mean of its divisors is an integer number (112823064).

Almost surely, 2^1420004305 is an apocalyptic number.

It is an amenable number.

1420004305 is a deficient number, since it is larger than the sum of its proper divisors (385164719).

1420004305 is a wasteful number, since it uses less digits than its factorization.

1420004305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1420004305 is about 37682.9444842093. The cubic root of 1420004305 is about 1123.9920004771.

Adding to 1420004305 its reverse (5034000241), we get a palindrome (6454004546).

The spelling of 1420004305 in words is "one billion, four hundred twenty million, four thousand, three hundred five".