1478243 has 6 divisors (see below), whose sum is σ = 1600884. Its totient is φ = 1364376.

The previous prime is 1478237. The next prime is 1478251. The reversal of 1478243 is 3428741.

It is not a de Polignac number, because 1478243 - 2⁶ = 1478179 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478203) 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 5 ways as a sum of consecutive naturals, for example, 4205 + ... + 4542.

It is an arithmetic number, because the mean of its divisors is an integer number (266814).

2^1478243 is an apocalyptic number.

1478243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1478243 is a deficient number, since it is larger than the sum of its proper divisors (122641).

1478243 is an equidigital number, since it uses as much as digits as its factorization.

1478243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773 (or 8760 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 1478243 is about 1215.8301690615. The cubic root of 1478243 is about 113.9152699633.

The spelling of 1478243 in words is "one million, four hundred seventy-eight thousand, two hundred forty-three".