1225024 has 14 divisors (see below), whose sum is σ = 2431034. Its totient is φ = 612480.

The previous prime is 1225019. The next prime is 1225061. The reversal of 1225024 is 4205221.

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 160000 = 1032^2 + 400^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1224989 and 1225007.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 9507 + ... + 9634.

2^1225024 is an apocalyptic number.

It is an amenable number.

1225024 is a deficient number, since it is larger than the sum of its proper divisors (1206010).

1225024 is an equidigital number, since it uses as much as digits as its factorization.

1225024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19153 (or 19143 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1225024 is about 1106.8080231007. The cubic root of 1225024 is about 106.9994468193. Note that the first 3 decimals are identical.

The spelling of 1225024 in words is "one million, two hundred twenty-five thousand, twenty-four".