1321454 has 4 divisors (see below), whose sum is σ = 1982184. Its totient is φ = 660726.

The previous prime is 1321451. The next prime is 1321457. The reversal of 1321454 is 4541231.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1321451) and next prime (1321457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321451) 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 as a sum of consecutive naturals, namely, 330362 + ... + 330365.

It is an arithmetic number, because the mean of its divisors is an integer number (495546).

2^1321454 is an apocalyptic number.

1321454 is a deficient number, since it is larger than the sum of its proper divisors (660730).

1321454 is an equidigital number, since it uses as much as digits as its factorization.

1321454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660729.

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

The square root of 1321454 is about 1149.5451274308. The cubic root of 1321454 is about 109.7363935858.

Adding to 1321454 its reverse (4541231), we get a palindrome (5862685).

The spelling of 1321454 in words is "one million, three hundred twenty-one thousand, four hundred fifty-four".