1421013 has 24 divisors (see below), whose sum is σ = 2210400. Its totient is φ = 805120.

The previous prime is 1421011. The next prime is 1421027. The reversal of 1421013 is 3101241.

It is a happy number.

It is not a de Polignac number, because 1421013 - 2¹ = 1421011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1421013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421011) 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, 9463 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (92100).

2^1421013 is an apocalyptic number.

It is an amenable number.

1421013 is a deficient number, since it is larger than the sum of its proper divisors (789387).

1421013 is a wasteful number, since it uses less digits than its factorization.

1421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1421013 is about 1192.0624983616. The cubic root of 1421013 is about 112.4258078722.

Adding to 1421013 its reverse (3101241), we get a palindrome (4522254).

The spelling of 1421013 in words is "one million, four hundred twenty-one thousand, thirteen".