1420055117 has 16 divisors (see below), whose sum is σ = 1619352000. Its totient is φ = 1241793072.

The previous prime is 1420055113. The next prime is 1420055123. The reversal of 1420055117 is 7115500241.

It is not a de Polignac number, because 1420055117 - 2² = 1420055113 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 (1420055113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24734 + ... + 58752.

It is an arithmetic number, because the mean of its divisors is an integer number (101209500).

Almost surely, 2^1420055117 is an apocalyptic number.

It is an amenable number.

1420055117 is a deficient number, since it is larger than the sum of its proper divisors (199296883).

1420055117 is an equidigital number, since it uses as much as digits as its factorization.

1420055117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34077 (or 34051 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1420055117 is about 37683.6186823930. The cubic root of 1420055117 is about 1124.0054069154.

Adding to 1420055117 its reverse (7115500241), we get a palindrome (8535555358).

The spelling of 1420055117 in words is "one billion, four hundred twenty million, fifty-five thousand, one hundred seventeen".