1421275 has 12 divisors (see below), whose sum is σ = 1779400. Its totient is φ = 1126080.

The previous prime is 1421267. The next prime is 1421291. The reversal of 1421275 is 5721241.

It is a happy number.

It is not a de Polignac number, because 1421275 - 2³ = 1421267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3271 + ... + 3679.

2^1421275 is an apocalyptic number.

1421275 is a deficient number, since it is larger than the sum of its proper divisors (358125).

1421275 is a wasteful number, since it uses less digits than its factorization.

1421275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 553 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 1421275 is about 1192.1723868636. The cubic root of 1421275 is about 112.4327169696.

The spelling of 1421275 in words is "one million, four hundred twenty-one thousand, two hundred seventy-five".