1298443 has 4 divisors (see below), whose sum is σ = 1374840. Its totient is φ = 1222048.

The previous prime is 1298387. The next prime is 1298467. The reversal of 1298443 is 3448921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1298443 is a prime.

It is a Duffinian number.

1298443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1098443) 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, 38173 + ... + 38206.

It is an arithmetic number, because the mean of its divisors is an integer number (343710).

2^1298443 is an apocalyptic number.

1298443 is a deficient number, since it is larger than the sum of its proper divisors (76397).

1298443 is an equidigital number, since it uses as much as digits as its factorization.

1298443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76396.

The product of its digits is 6912, while the sum is 31.

The square root of 1298443 is about 1139.4924308656. The cubic root of 1298443 is about 109.0956991373.

The spelling of 1298443 in words is "one million, two hundred ninety-eight thousand, four hundred forty-three".