1225048 has 16 divisors (see below), whose sum is σ = 2505960. Its totient is φ = 556800.

The previous prime is 1225019. The next prime is 1225061. The reversal of 1225048 is 8405221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6873 + ... + 7048.

2^1225048 is an apocalyptic number.

It is an amenable number.

1225048 is an abundant number, since it is smaller than the sum of its proper divisors (1280912).

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

1225048 is a wasteful number, since it uses less digits than its factorization.

1225048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13938 (or 13934 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1225048 is about 1106.8188650362. The cubic root of 1225048 is about 107.0001455729. Note that the first 3 decimals are identical.

The spelling of 1225048 in words is "one million, two hundred twenty-five thousand, forty-eight".