1275343 has 4 divisors (see below), whose sum is σ = 1279528. Its totient is φ = 1271160.

The previous prime is 1275341. The next prime is 1275349. The reversal of 1275343 is 3435721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3435721 = 1231 ⋅2791.

It is a cyclic number.

It is not a de Polignac number, because 1275343 - 2¹ = 1275341 is a prime.

It is a Duffinian number.

1275343 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275341) 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, 1596 + ... + 2257.

It is an arithmetic number, because the mean of its divisors is an integer number (319882).

2^1275343 is an apocalyptic number.

1275343 is a deficient number, since it is larger than the sum of its proper divisors (4185).

1275343 is an equidigital number, since it uses as much as digits as its factorization.

1275343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184.

The product of its digits is 2520, while the sum is 25.

The square root of 1275343 is about 1129.3108518030. The cubic root of 1275343 is about 108.4448671173. Note that the first 3 decimals are identical.

The spelling of 1275343 in words is "one million, two hundred seventy-five thousand, three hundred forty-three".