1420005505 has 8 divisors (see below), whose sum is σ = 1704757824. Its totient is φ = 1135503600.

The previous prime is 1420005479. The next prime is 1420005541. The reversal of 1420005505 is 5055000241.

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

It is not a de Polignac number, because 1420005505 - 2¹¹ = 1420003457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49891 + ... + 73000.

It is an arithmetic number, because the mean of its divisors is an integer number (213094728).

Almost surely, 2^1420005505 is an apocalyptic number.

It is an amenable number.

1420005505 is a deficient number, since it is larger than the sum of its proper divisors (284752319).

1420005505 is a wasteful number, since it uses less digits than its factorization.

1420005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125207.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1420005505 is about 37682.9604065286. The cubic root of 1420005505 is about 1123.9923170935.

Adding to 1420005505 its reverse (5055000241), we get a palindrome (6475005746).

The spelling of 1420005505 in words is "one billion, four hundred twenty million, five thousand, five hundred five".