1354421 has 4 divisors (see below), whose sum is σ = 1398144. Its totient is φ = 1310700.

The previous prime is 1354393. The next prime is 1354471. The reversal of 1354421 is 1244531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1354421 - 2¹⁰ = 1353397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1354393 and 1354402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21815 + ... + 21876.

It is an arithmetic number, because the mean of its divisors is an integer number (349536).

2^1354421 is an apocalyptic number.

It is an amenable number.

1354421 is a deficient number, since it is larger than the sum of its proper divisors (43723).

1354421 is an equidigital number, since it uses as much as digits as its factorization.

1354421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43722.

The product of its digits is 480, while the sum is 20.

The square root of 1354421 is about 1163.7959443133. The cubic root of 1354421 is about 110.6414587107.

Adding to 1354421 its reverse (1244531), we get a palindrome (2598952).

The spelling of 1354421 in words is "one million, three hundred fifty-four thousand, four hundred twenty-one".