1421402 has 8 divisors (see below), whose sum is σ = 2142336. Its totient is φ = 707292.

The previous prime is 1421401. The next prime is 1421417. The reversal of 1421402 is 2041241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1421401) 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, 1148 + ... + 2039.

It is an arithmetic number, because the mean of its divisors is an integer number (267792).

2^1421402 is an apocalyptic number.

1421402 is a deficient number, since it is larger than the sum of its proper divisors (720934).

1421402 is a wasteful number, since it uses less digits than its factorization.

1421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1421402 is about 1192.2256497828. The cubic root of 1421402 is about 112.4360657304.

Adding to 1421402 its reverse (2041241), we get a palindrome (3462643).

The spelling of 1421402 in words is "one million, four hundred twenty-one thousand, four hundred two".