1294723 has 2 divisors, whose sum is σ = 1294724. Its totient is φ = 1294722.

The previous prime is 1294721. The next prime is 1294729. The reversal of 1294723 is 3274921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1294723 - 2¹ = 1294721 is a prime.

Together with 1294721, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1294691 and 1294700.

It is not a weakly prime, because it can be changed into another prime (1294721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647361 + 647362.

It is an arithmetic number, because the mean of its divisors is an integer number (647362).

2^1294723 is an apocalyptic number.

1294723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294723 is an equidigital number, since it uses as much as digits as its factorization.

1294723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 1294723 is about 1137.8589543524. The cubic root of 1294723 is about 108.9914141878.

The spelling of 1294723 in words is "one million, two hundred ninety-four thousand, seven hundred twenty-three".