1420055 has 16 divisors (see below), whose sum is σ = 2097984. Its totient is φ = 898560.

The previous prime is 1420039. The next prime is 1420057. The reversal of 1420055 is 5500241.

It is not a de Polignac number, because 1420055 - 2⁴ = 1420039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (131124).

2^1420055 is an apocalyptic number.

1420055 is a deficient number, since it is larger than the sum of its proper divisors (677929).

1420055 is a wasteful number, since it uses less digits than its factorization.

1420055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1420055 is about 1191.6606060452. The cubic root of 1420055 is about 112.4005376046.

Adding to 1420055 its reverse (5500241), we get a palindrome (6920296).

The spelling of 1420055 in words is "one million, four hundred twenty thousand, fifty-five".