1421304 has 16 divisors (see below), whose sum is σ = 3553320. Its totient is φ = 473760.

The previous prime is 1421293. The next prime is 1421309. The reversal of 1421304 is 4031241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421309) 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, 29587 + ... + 29634.

2^1421304 is an apocalyptic number.

It is an amenable number.

1421304 is an abundant number, since it is smaller than the sum of its proper divisors (2132016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421304 is a wasteful number, since it uses less digits than its factorization.

1421304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59230 (or 59226 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1421304 is about 1192.1845494721. The cubic root of 1421304 is about 112.4334816648.

Adding to 1421304 its reverse (4031241), we get a palindrome (5452545).

The spelling of 1421304 in words is "one million, four hundred twenty-one thousand, three hundred four".