1225148 has 12 divisors (see below), whose sum is σ = 2184840. Its totient is φ = 600912.

The previous prime is 1225129. The next prime is 1225153. The reversal of 1225148 is 8415221.

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 3 ways as a sum of consecutive naturals, for example, 2678 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (182070).

2^1225148 is an apocalyptic number.

It is an amenable number.

1225148 is a deficient number, since it is larger than the sum of its proper divisors (959692).

1225148 is a wasteful number, since it uses less digits than its factorization.

1225148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836 (or 5834 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 1225148 is about 1106.8640386244. The cubic root of 1225148 is about 107.0030569482.

The spelling of 1225148 in words is "one million, two hundred twenty-five thousand, one hundred forty-eight".