1421453 has 4 divisors (see below), whose sum is σ = 1550688. Its totient is φ = 1292220.

The previous prime is 1421449. The next prime is 1421461. The reversal of 1421453 is 3541241.

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 1421453 - 2² = 1421449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64601 + ... + 64622.

It is an arithmetic number, because the mean of its divisors is an integer number (387672).

2^1421453 is an apocalyptic number.

It is an amenable number.

1421453 is a deficient number, since it is larger than the sum of its proper divisors (129235).

1421453 is a wasteful number, since it uses less digits than its factorization.

1421453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129234.

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

The square root of 1421453 is about 1192.2470381595. The cubic root of 1421453 is about 112.4374104522.

Adding to 1421453 its reverse (3541241), we get a palindrome (4962694).

The spelling of 1421453 in words is "one million, four hundred twenty-one thousand, four hundred fifty-three".