1285248 has 32 divisors (see below), whose sum is σ = 3414960. Its totient is φ = 428288.

The previous prime is 1285247. The next prime is 1285259. The reversal of 1285248 is 8425821.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1285247) 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, 1290 + ... + 2057.

2^1285248 is an apocalyptic number.

It is an amenable number.

1285248 is an abundant number, since it is smaller than the sum of its proper divisors (2129712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1285248 is an equidigital number, since it uses as much as digits as its factorization.

1285248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3352 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 1285248 is about 1133.6877877088. The cubic root of 1285248 is about 108.7248904903.

The spelling of 1285248 in words is "one million, two hundred eighty-five thousand, two hundred forty-eight".