1294345 has 8 divisors (see below), whose sum is σ = 1672776. Its totient is φ = 955776.

The previous prime is 1294339. The next prime is 1294351. The reversal of 1294345 is 5434921.

It is an interprime number because it is at equal distance from previous prime (1294339) and next prime (1294351).

It can be written as a sum of positive squares in 4 ways, for example, as 46656 + 1247689 = 216^2 + 1117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1294345 - 2¹⁷ = 1163273 is a prime.

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

It is a Duffinian number.

1294345 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9892 + ... + 10021.

It is an arithmetic number, because the mean of its divisors is an integer number (209097).

2^1294345 is an apocalyptic number.

It is an amenable number.

1294345 is a deficient number, since it is larger than the sum of its proper divisors (378431).

1294345 is a wasteful number, since it uses less digits than its factorization.

1294345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19931.

The product of its digits is 4320, while the sum is 28.

The square root of 1294345 is about 1137.6928407967. The cubic root of 1294345 is about 108.9808063166.

The spelling of 1294345 in words is "one million, two hundred ninety-four thousand, three hundred forty-five".