1294791 has 4 divisors (see below), whose sum is σ = 1726392. Its totient is φ = 863192.

The previous prime is 1294759. The next prime is 1294817. The reversal of 1294791 is 1974921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1294791 - 2⁵ = 1294759 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215796 + ... + 215801.

It is an arithmetic number, because the mean of its divisors is an integer number (431598).

2^1294791 is an apocalyptic number.

1294791 is a deficient number, since it is larger than the sum of its proper divisors (431601).

1294791 is an equidigital number, since it uses as much as digits as its factorization.

1294791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431600.

The product of its digits is 4536, while the sum is 33.

The square root of 1294791 is about 1137.8888346407. Note that the first 4 decimals coincide. The cubic root of 1294791 is about 108.9933222630.

The spelling of 1294791 in words is "one million, two hundred ninety-four thousand, seven hundred ninety-one".