1420321101 has 24 divisors (see below), whose sum is σ = 1937295264. Its totient is φ = 925582560.

The previous prime is 1420321087. The next prime is 1420321163. The reversal of 1420321101 is 1011230241.

It is not a de Polignac number, because 1420321101 - 2⁷ = 1420320973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420321181) 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 23 ways as a sum of consecutive naturals, for example, 2892466 + ... + 2892956.

It is an arithmetic number, because the mean of its divisors is an integer number (80720636).

Almost surely, 2^1420321101 is an apocalyptic number.

It is an amenable number.

1420321101 is a deficient number, since it is larger than the sum of its proper divisors (516974163).

1420321101 is an equidigital number, since it uses as much as digits as its factorization.

1420321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1420321101 is about 37687.1476898956. The cubic root of 1420321101 is about 1124.0755799639.

Adding to 1420321101 its reverse (1011230241), we get a palindrome (2431551342).

The spelling of 1420321101 in words is "one billion, four hundred twenty million, three hundred twenty-one thousand, one hundred one".