1002245 has 8 divisors (see below), whose sum is σ = 1232280. Its totient is φ = 782080.

The previous prime is 1002241. The next prime is 1002247. The reversal of 1002245 is 5422001.

1002245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20164 + 982081 = 142^2 + 991^2 .

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

It is not a de Polignac number, because 1002245 - 2² = 1002241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002241) 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, 2240 + ... + 2649.

It is an arithmetic number, because the mean of its divisors is an integer number (154035).

2^1002245 is an apocalyptic number.

It is an amenable number.

1002245 is a deficient number, since it is larger than the sum of its proper divisors (230035).

1002245 is an equidigital number, since it uses as much as digits as its factorization.

1002245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1002245 is about 1001.1218707031. The cubic root of 1002245 is about 100.0747774028.

Adding to 1002245 its reverse (5422001), we get a palindrome (6424246).

The spelling of 1002245 in words is "one million, two thousand, two hundred forty-five".