1225248 has 24 divisors (see below), whose sum is σ = 3216528. Its totient is φ = 408384.

The previous prime is 1225223. The next prime is 1225261. The reversal of 1225248 is 8425221.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 3 ways as a sum of consecutive naturals, for example, 6286 + ... + 6477.

It is an arithmetic number, because the mean of its divisors is an integer number (134022).

2^1225248 is an apocalyptic number.

It is an amenable number.

1225248 is an abundant number, since it is smaller than the sum of its proper divisors (1991280).

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

1225248 is a wasteful number, since it uses less digits than its factorization.

1225248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12776 (or 12768 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 1225248 is about 1106.9092103691. The cubic root of 1225248 is about 107.0059681651.

The spelling of 1225248 in words is "one million, two hundred twenty-five thousand, two hundred forty-eight".