1421276 has 12 divisors (see below), whose sum is σ = 2618280. Its totient is φ = 673200.

The previous prime is 1421267. The next prime is 1421291. The reversal of 1421276 is 6721241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9275 + ... + 9426.

It is an arithmetic number, because the mean of its divisors is an integer number (218190).

2^1421276 is an apocalyptic number.

It is an amenable number.

1421276 is a deficient number, since it is larger than the sum of its proper divisors (1197004).

1421276 is a wasteful number, since it uses less digits than its factorization.

1421276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18724 (or 18722 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 1421276 is about 1192.1728062659. The cubic root of 1421276 is about 112.4327433386.

The spelling of 1421276 in words is "one million, four hundred twenty-one thousand, two hundred seventy-six".