1248245 has 8 divisors (see below), whose sum is σ = 1534680. Its totient is φ = 974080.

The previous prime is 1248241. The next prime is 1248253. The reversal of 1248245 is 5428421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13924 + 1234321 = 118^2 + 1111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1248245 - 2² = 1248241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2840 + ... + 3249.

It is an arithmetic number, because the mean of its divisors is an integer number (191835).

2^1248245 is an apocalyptic number.

It is an amenable number.

1248245 is a deficient number, since it is larger than the sum of its proper divisors (286435).

1248245 is an equidigital number, since it uses as much as digits as its factorization.

1248245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135.

The product of its digits is 2560, while the sum is 26.

The square root of 1248245 is about 1117.2488532104. The cubic root of 1248245 is about 107.6712971178.

The spelling of 1248245 in words is "one million, two hundred forty-eight thousand, two hundred forty-five".