1363421 has 8 divisors (see below), whose sum is σ = 1456320. Its totient is φ = 1272672.

The previous prime is 1363409. The next prime is 1363429. The reversal of 1363421 is 1243631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1363421 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1363393 and 1363402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363429) 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 7 ways as a sum of consecutive naturals, for example, 896 + ... + 1878.

It is an arithmetic number, because the mean of its divisors is an integer number (182040).

2^1363421 is an apocalyptic number.

It is an amenable number.

1363421 is a deficient number, since it is larger than the sum of its proper divisors (92899).

1363421 is an equidigital number, since it uses as much as digits as its factorization.

1363421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its digits is 432, while the sum is 20.

The square root of 1363421 is about 1167.6561994012. The cubic root of 1363421 is about 110.8859852472.

The spelling of 1363421 in words is "one million, three hundred sixty-three thousand, four hundred twenty-one".