1248478 has 32 divisors (see below), whose sum is σ = 2389248. Its totient is φ = 479160.

The previous prime is 1248469. The next prime is 1248493. The reversal of 1248478 is 8748421.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18601 + ... + 18667.

It is an arithmetic number, because the mean of its divisors is an integer number (74664).

2^1248478 is an apocalyptic number.

1248478 is a deficient number, since it is larger than the sum of its proper divisors (1140770).

1248478 is an equidigital number, since it uses as much as digits as its factorization.

1248478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 87 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 1248478 is about 1117.3531223387. The cubic root of 1248478 is about 107.6779960835.

The spelling of 1248478 in words is "one million, two hundred forty-eight thousand, four hundred seventy-eight".