1298224 has 20 divisors (see below), whose sum is σ = 2577960. Its totient is φ = 632960.

The previous prime is 1298221. The next prime is 1298261. The reversal of 1298224 is 4228921.

It is a junction number, because it is equal to n+sod(n) for n = 1298192 and 1298201.

It is not an unprimeable number, because it can be changed into a prime (1298221) by changing a digit.

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, 334 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (128898).

2^1298224 is an apocalyptic number.

It is an amenable number.

1298224 is a deficient number, since it is larger than the sum of its proper divisors (1279736).

1298224 is a wasteful number, since it uses less digits than its factorization.

1298224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2022 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 1298224 is about 1139.3963313966. The cubic root of 1298224 is about 109.0895653033.

The spelling of 1298224 in words is "one million, two hundred ninety-eight thousand, two hundred twenty-four".