1421334 has 16 divisors (see below), whose sum is σ = 3158640. Its totient is φ = 473760.

The previous prime is 1421317. The next prime is 1421339. The reversal of 1421334 is 4331241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13107 + ... + 13214.

It is an arithmetic number, because the mean of its divisors is an integer number (197415).

2^1421334 is an apocalyptic number.

1421334 is an abundant number, since it is smaller than the sum of its proper divisors (1737306).

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

1421334 is a wasteful number, since it uses less digits than its factorization.

1421334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26332 (or 26326 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1421334 is about 1192.1971313503. The cubic root of 1421334 is about 112.4342727179.

Adding to 1421334 its reverse (4331241), we get a palindrome (5752575).

The spelling of 1421334 in words is "one million, four hundred twenty-one thousand, three hundred thirty-four".