1294243 has 4 divisors (see below), whose sum is σ = 1296808. Its totient is φ = 1291680.

The previous prime is 1294231. The next prime is 1294253. The reversal of 1294243 is 3424921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3424921 = 19 ⋅180259.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1294243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1294253) 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, 246 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (324202).

2^1294243 is an apocalyptic number.

1294243 is a deficient number, since it is larger than the sum of its proper divisors (2565).

1294243 is an equidigital number, since it uses as much as digits as its factorization.

1294243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

The product of its digits is 1728, while the sum is 25.

The square root of 1294243 is about 1137.6480123483. The cubic root of 1294243 is about 108.9779435213.

The spelling of 1294243 in words is "one million, two hundred ninety-four thousand, two hundred forty-three".